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  • Please note that the MISUMI Pune office and warehouse will be closed on November 20th due to the state election.
  • Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

Metal Washers, Collars(Surface Treatment:Electroless Nickel Plating)

Metal washers and collars are versatile fasteners designed to distribute loads, provide spacing, and ensure precise positioning in various mechanical and engineering applications. These components are essential in preventing loosening and damage to surfaces during the tightening of bolts and screws. Available in multiple materials such as stainless steel, steel, brass, and aluminum, they offer varying degrees of strength, corrosion resistance, and weight. Customizable in terms of inner and outer diameters, thickness, and surface treatments like black oxide and nickel plating, metal washers and collars cater to specific needs, ensuring optimal performance and longevity in demanding environments.​
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  • You can add up to 6 items per a category to the compare list.

    Metal Washers - T Dimension Configurable, Precision Class

    Metal Washers - T Dimension Configurable, Precision Class

    MISUMI

    [Standard expansion]
    Expanded the inner diameter dimension of T dimension specified type (normal grade)! Added inner diameters of 3.5, 4.5, 5.5, 6.5, and 8.5 mm
    [Features]
    A wide variety of outer diameters, inner diameters, and thicknesses are available.

    • Volume Discount
    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 60 2 ~ 30 1 ~ 10 Straight Steel Electroless Nickel Plating +0.3~+0.1 ±0.01 ~ ±0.1 0~-0.2 Single Item
    Days to Ship: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - Standard / Precision Class

    Metal Washers - Standard / Precision Class

    MISUMI

    [Features]
    A wide variety of outer diameter, inner diameter, and thickness variations are available.

    • Volume Discount
    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 60 2 ~ 30 10 ~ 100 Straight Steel Electroless Nickel Plating +0.3~+0.1 0~-0.1 ~ ±0.01 0~-0.2 Single Item
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - Thickness +-0.10 & +-0.01 mm/Dimensions Configurable

    Metal Washers - Thickness +-0.10 & +-0.01 mm/Dimensions Configurable

    MISUMI

    "The O.D., I.D. and Thickness can be configured to suit the current application."

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 100 0 ~ 90 1 ~ 10 Straight Steel Electroless Nickel Plating +0.3~+0.1 ±0.01 ~ ±0.1 0~-0.2 Single Item
    Days to Ship: 6 Day(s)
    day to ship 6 Day(s)
  • You can add up to 6 items per a category to the compare list.

    Metal Collar - Precision Grade, Dimension Configurable

    Metal Collar - Precision Grade, Dimension Configurable

    MISUMI

    "The O.D., I.D. and Length can be configured to suit the current application."

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 100 2 ~ 90 10 ~ 100 Straight Steel Electroless Nickel Plating +0.3~+0.1 0~-0.1 ~ ±0.01 0~-0.2 Single Item
    Days to Ship: 6 Day(s)
    day to ship 6 Day(s)
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - Countersunk Type

    Metal Washers - Countersunk Type

    MISUMI

    Washers for countersunk bolts.
    [Standard extension]
     Brass and SUS316 materials have been added to the dimension-free specification type!
     Added low-temperature black chrome plating to S45C equivalent and SUS304.

    • Volume Discount
    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Flat Head Screw 10 ~ 60 2 ~ 30 2 ~ 10 Straight Steel Electroless Nickel Plating +0.3~+0.1 ±0.1 0~-0.2 Single Item
    Days to Ship: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - Hardened Type, Standard / Precision Class

    Metal Washers - Hardened Type, Standard / Precision Class

    MISUMI

    Use this product in environments where strong hardness is required.

    • Volume Discount
    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 60 2 ~ 30 1 ~ 10 Straight Steel Electroless Nickel Plating +0.3~+0.1 ±0.01 ~ ±0.1 0~-0.2 Single Item
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - Hardened Type, Standard / Precision Class (Configurable)

    Metal Washers - Hardened Type, Standard / Precision Class (Configurable)

    MISUMI

    Use this product in environments where strong hardness is required.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 100 0 ~ 90 1 ~ 10 Straight Special Steel ~ Steel Electroless Nickel Plating +0.3~+0.1 ±0.01 ~ ±0.1 0~-0.2 Single Item
    Days to Ship: 8 Day(s) or more
    day to ship 8 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - Thickness +-0.10 & +-0.01 mm/ID(H7) & OD(g6/h7) Selectable

    Metal Washers - Thickness +-0.10 & +-0.01 mm/ID(H7) & OD(g6/h7) Selectable

    MISUMI

    Use for applications where accuracy is required for I.D. and O.D.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 60 3 ~ 58 1 ~ 10 Straight Steel Electroless Nickel Plating +0.2~0 ~ H7 ±0.01 ~ ±0.1 -0.1~-0.3 ~ h7 Single Item
    Days to Ship: 6 Day(s)
    day to ship 6 Day(s)
  • You can add up to 6 items per a category to the compare list.

    Simultaneous Grind Spacers

    Simultaneous Grind Spacers

    MISUMI

    This is a spacer that suppresses height variation for each order. Please order 2 or more.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 50 0 ~ 48 1 ~ 100 Straight Special Steel ~ Steel Electroless Nickel Plating +0.3~+0.1 ±0.05 0~-0.2 Single Item
    Days to Ship: 7 Day(s) or more
    day to ship 7 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Metal Collar - Hardened Type - Standard / Precision Class, L Dimension Configurable / Dimension Configurable

    Metal Collar - Hardened Type - Standard / Precision Class, L Dimension Configurable / Dimension Configurable

    MISUMI

    Use this product in environments where strong hardness is required.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 100 2 ~ 90 10 ~ 100 Straight Special Steel ~ Steel Electroless Nickel Plating +0.3~+0.1 0~-0.1 ~ ±0.01 0~-0.2 Single Item
    Days to Ship: 8 Day(s) or more
    day to ship 8 Day(s) or more
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Metal Washers Hardened, Configurable
    MiSUMi Economy

    Metal Washers Hardened, Configurable

    MiSUMi Economy

    MISUMI

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight - - - - Steel Electroless Nickel Plating +0.3~+0.1 ±0.01 ~ ±0.1 0~-0.2 Single Item
    Days to Ship: 9 Day(s)
    day to ship 9 Day(s)
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - Counterbored Holes Type

    Metal Washers - Counterbored Holes Type

    MISUMI

    A washer with a counterbore.
    [Standard extension]
     Brass, SUS316, and aluminum alloy materials have been added to the dimension-free specification type!
    Added low-temperature black chrome plating to S45C equivalent and SUS304.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Counterbored 10 ~ 100 3 ~ 88 1 ~ 50 Straight Special Steel ~ Steel Electroless Nickel Plating +0.3~+0.1 ±0.01 ~ ±0.1 0~-0.2 Single Item
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Metal Washers (Pkg.) - Pressed Type

    Metal Washers (Pkg.) - Pressed Type【50-100 Pieces Per Package】

    MISUMI

    "Are larger in O.D. and thicker than standard washers. Are press-formed and thus, are lower priced than machined products."

    • Volume Discount
    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 10 ~ 20 3 ~ 10 1 ~ 3 Straight Steel Electroless Nickel Plating +0.3~+0.1 ±0.08 ~ ±0.15 0~-0.2 Bulk Package
    From: ₹ 34.62
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Metal Collar - Flanged, Standard Grade / Precision Grade

    Metal Collar - Flanged, Standard Grade / Precision Grade

    MISUMI

    [Specification expansion]
    Material SUS316 and aluminum alloy without surface treatment have been added to the free specification type!
    Added low temperature black chrome plating to S45C equivalent and SUS304.
    [Features]
    You can specify the outer diameter, inner diameter, thickness, brim diameter, and brim thickness according to the usage scene.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 60 2 ~ 55 10 ~ 100 Flanged Steel Electroless Nickel Plating +0.3~+0.1 0~-0.3 ~ ±0.01 0~-0.2 Single Item
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - Thickness +-0.005 - +-0.30 mm Selectable

    Metal Washers - Thickness +-0.005 - +-0.30 mm Selectable

    MISUMI

    Use this product in environments where the thickness accuracy is required.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 5 ~ 60 3 ~ 90 1 ~ 10 Straight Steel Electroless Nickel Plating +0.3~+0.1 -0.1~-0.3 ~ +0.3~+0.1 0~-0.2 Single Item
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Metal Washers Hardened, Thickness Selectable
    MiSUMi Economy

    Metal Washers Hardened, Thickness Selectable

    MiSUMi Economy

    MISUMI

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 60 - - - Steel Electroless Nickel Plating +0.3~+0.1 ±0.01 0~-0.2 Single Item
    Days to Ship: 9 Day(s)
    day to ship 9 Day(s)
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Metal Washers Thickness Tolerance Selectable
    MiSUMi Economy

    Metal Washers Thickness Tolerance Selectable

    MiSUMi Economy

    MISUMI

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight - - - - Steel Electroless Nickel Plating +0.3~+0.1 -0.1~-0.3 ~ +0.3~+0.1 0~-0.2 Single Item
    Days to Ship: 9 Day(s)
    day to ship 9 Day(s)
  • You can add up to 6 items per a category to the compare list.

    Stepped Spacers
    Stepped Spacers
    Stepped Spacers

    Stepped Spacers

    MISUMI

    [Features]·Can be used as a cover. ·The accuracy is of an average class.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 5 ~ 50 2 ~ 44 1 ~ 50 Flanged Steel Electroless Nickel Plating H7 0~-0.1 ~ +0.1~0 h7 Single Item
    Days to Ship: 7 Day(s) or more
    day to ship 7 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - Female Thread Type

    Metal Washers - Female Thread Type

    MISUMI

    I.D. is tapped. Use for tightening screws.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Tapped 6 ~ 100 - 3 ~ 50 Straight Steel Electroless Nickel Plating +0.3~+0.1 ±0.1 0~-0.2 Single Item
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - Flanged Type

    Metal Washers - Flanged Type

    MISUMI

    [Standard extension]
     Added material SUS316 and brass!
     Added low-temperature black chrome plating to S45C equivalent and SUS304.
    [Features]
     You can specify the outer diameter, inner diameter, thickness, flange diameter, and flange thickness according to the usage scene.
    [Related Products]
     Metal Collar -Flanged Type-
     Stepped Spacers
     Washer for Compression Spring, Collared Type

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 5 ~ 60 2 ~ 58 2 ~ 10 Flanged Special Steel ~ Steel Electroless Nickel Plating +0.3~+0.1 0~-0.3 ~ ±0.01 0~-0.2 Single Item
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Metal Collar - Standard Grade / Precision Grade I.D. / O.D. Tolerance Selectable / Dimension Configurable

    Metal Collar - Standard Grade / Precision Grade I.D. / O.D. Tolerance Selectable / Dimension Configurable

    MISUMI

    Use for applications where accuracy is required for I.D. and O.D.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 5 ~ 60 3 ~ 58 10 ~ 100 Straight Steel Electroless Nickel Plating +0.2~0 ~ H7 0~-0.1 ~ ±0.01 -0.1~-0.3 ~ h7 Single Item
    Days to Ship: 6 Day(s)
    day to ship 6 Day(s)
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Metal Washers For Flat Head Bolt
    MiSUMi Economy

    Metal Washers For Flat Head Bolt

    MiSUMi Economy

    MISUMI

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Flat Head Screw 25 ~ 50 9 ~ 11 - - Steel Electroless Nickel Plating +0.3~+0.1 ±0.1 0~-0.2 Single Item
    Days to Ship: 9 Day(s)
    day to ship 9 Day(s)
  • You can add up to 6 items per a category to the compare list.

    Brass Spacer (Hollow, Round) CB-E/-BE/-CE

    Brass Spacer (Hollow, Round) CB-E/-BE/-CE

    HIROSUGI-KEIKI

    [Nominal size (M) of compatible screws] 1.7/2/2.6/3/4/5
    [Materials] Free-cutting brass (C3604BD) with less than 75 ppm cadmium content
    [Treatment] Degreasing, nickel plating, black nickel plating

    • Volume Discount
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 5 ~ 10 3.2 ~ 6.3 1 ~ 40 Straight Brass Electroless Nickel Plating ±0.15 ±0.1 ±0.05 Single Item / Bulk Package
    From: ₹ 17.00
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Washer

    Washer

    IWATA MFG

    It can be used for tightening bolts, spacers, etc. Sold by Single unit

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 8 ~ 30 3 ~ 20 2 ~ 5 Straight Steel Electroless Nickel Plating +0.3~+0.1 ±0.1 0~-0.2 Single Item
    From: ₹ 164.93
    Days to Ship: 7 Day(s) or more
    day to ship 7 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - with Slotted Hole&Pilotv

    Metal Washers - with Slotted Hole&Pilotv

    MISUMI

    [Features]·The slotted hole allows fine adjustment of bolt positions.

    • Volume Discount
    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Slotted Hole, Notched 18 ~ 46 - - Straight / Flanged Steel Electroless Nickel Plating +0.3~+0.1 ±0.1 0~-0.2 Single Item
    From: ₹ 168.84
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Metal Washers Counterbored Hole
    MiSUMi Economy

    Metal Washers Counterbored Hole

    MiSUMi Economy

    MISUMI

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Counterbored 10 ~ 60 3.5 ~ 11 - - Steel Electroless Nickel Plating +0.3~+0.1 ±0.01 ~ ±0.1 0~-0.2 Single Item
    Days to Ship: 9 Day(s)
    day to ship 9 Day(s)
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - with Clearance Holes

    Metal Washers - with Clearance Holes

    MISUMI

    [Features]·A metal washer with bolt holes. ·Custom dimensions. ·Sold separately.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Screw Hole 20 ~ 60 3 ~ 28 1 ~ 10 Straight Steel Electroless Nickel Plating +0.3~+0.1 ±0.1 0~-0.2 Single Item
    Days to Ship: 7 Day(s) or more
    day to ship 7 Day(s) or more
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Metal Collars Flanged
    Metal Collars Flanged
    Metal Collars Flanged
    MiSUMi Economy

    Metal Collars Flanged

    MiSUMi Economy

    MISUMI

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight - - - - Steel Electroless Nickel Plating - 0~-0.1 ~ +0.1~0 - Single Item
    Days to Ship: 9 Day(s)
    day to ship 9 Day(s)
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Metal Washers Standard/Precision Grade, Configurable
    MiSUMi Economy

    Metal Washers Standard/Precision Grade, Configurable

    MiSUMi Economy

    MISUMI

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight - - - - Steel Electroless Nickel Plating +0.3~+0.1 ±0.01 ~ ±0.1 0~-0.2 Single Item
    Days to Ship: 9 Day(s)
    day to ship 9 Day(s)
  • You can add up to 6 items per a category to the compare list.

    Metal Washers - with Selectable Shape

    Metal Washers - with Selectable Shape

    MISUMI

    [Features]·You can choose the shape according to the situation of use. ·The shape is straight.

    CAD :
    2D / 3D
    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight / Slotted Hole, Notched / 2-Hole 10 ~ 50 3 ~ 30 3 ~ 10 Straight Steel Electroless Nickel Plating ±0.3 ~ Not Specified ±0.1 0~-0.2 ~ Not Specified Single Item
    Days to Ship: 8 Day(s) or more
    day to ship 8 Day(s) or more
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Metal Collars Length Configurable
    MiSUMi Economy

    Metal Collars Length Configurable

    MiSUMi Economy

    MISUMI

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 60 2 ~ 30 - - Steel Electroless Nickel Plating +0.3~+0.1 - 0~-0.2 Single Item
    Days to Ship: 9 Day(s)
    day to ship 9 Day(s)
  • You can add up to 6 items per a category to the compare list.

    Brass Spacer (Hollow, Round) Pipe CB-P/CB-PC

    Brass Spacer (Hollow, Round) Pipe CB-P/CB-PC

    HIROSUGI-KEIKI

    [Nominal size (M) of compatible screws] 2/2.6/3/4/5/6
    [Materials] Brass (C2700T-H) with less than 10 ppm cadmium content
    [Treatment] Degreasing, nickel plating (Ni)

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 3.2 2.2 2 Straight Brass Electroless Nickel Plating Not Specified Not Specified Not Specified Bulk Package
    From: ₹ 301.00
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Eco Spacer (Hollow) / CE-N

    Eco Spacer (Hollow) / CE-N

    HIROSUGI-KEIKI

    [Supported Screw Nominal (M)] 2/2.6/3/4/5/6
    [Material] Lead-Free Free-Cutting Brass (Bismuth Base)
    [Processing] Nickel Plating (Ni)

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 8 2.2 ~ 5.3 3 ~ 10 Straight Brass Electroless Nickel Plating ±0.15 ±0.1 Not Specified Bulk Package
    From: ₹ 19.00
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Metal Collars Hardened, Configurable
    MiSUMi Economy

    Metal Collars Hardened, Configurable

    MiSUMi Economy

    MISUMI

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 60 2 ~ 30 - - Steel Electroless Nickel Plating +0.3~+0.1 - 0~-0.2 Single Item
    Days to Ship: 9 Day(s)
    day to ship 9 Day(s)
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Metal Collars Simultaneous Grinding
    MiSUMi Economy

    Metal Collars Simultaneous Grinding

    MiSUMi Economy

    MISUMI

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 4 ~ 50 - - - Steel Electroless Nickel Plating +0.3~+0.1 ±0.05 0~-0.2 Single Item
    Days to Ship: 9 Day(s)
    day to ship 9 Day(s)
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Metal Collars Standard/Precision Grade, Dimension Configurable
    MiSUMi Economy

    Metal Collars Standard/Precision Grade, Dimension Configurable

    MiSUMi Economy

    MISUMI

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight - - - - Steel Electroless Nickel Plating +0.3~+0.1 0~-0.1 0~-0.2 Single Item
    Days to Ship: 9 Day(s)
    day to ship 9 Day(s)
  • You can add up to 6 items per a category to the compare list.

    Brass Spacer (Hollow, Square) / CQB-E

    Brass Spacer (Hollow, Square) / CQB-E

    HIROSUGI-KEIKI

    [Supported Screw Nominal (M)] 3/4
    [Material] Free-Cutting Brass (C3604BD), Cadmium Content Less than 75 ppm
    [Processing] Nickel Plating (Ni)

    I.D. Shape O.D.(mm) I.D.(mm) Thickness/Length(mm) Shape Material Surface Treatment I.D. Tolerance Thickness / Length Tolerance O.D. Tolerance Sale Type
    Straight 6 3.2 30 Square Brass Electroless Nickel Plating ±0.15 ±0.1 Not Specified Bulk Package
    From: ₹ 48.00
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
Brand
Product Series
CAD
From
Days to Ship
I.D. Shape
O.D.(mm)
I.D.(mm)
Thickness/Length(mm)
Shape
Material
Surface Treatment
I.D. Tolerance
Thickness / Length Tolerance
O.D. Tolerance
Sale Type

    You can add up to 6 items per a category to the compare list.

    Metal Washers - T Dimension Configurable, Precision Class

        You can add up to 6 items per a category to the compare list.

        Metal Washers - Standard / Precision Class

            You can add up to 6 items per a category to the compare list.

            Metal Washers - Thickness +-0.10 & +-0.01 mm/Dimensions Configurable

                You can add up to 6 items per a category to the compare list.

                Metal Collar - Precision Grade, Dimension Configurable

                    You can add up to 6 items per a category to the compare list.

                    Metal Washers - Countersunk Type

                        You can add up to 6 items per a category to the compare list.

                        Metal Washers - Hardened Type, Standard / Precision Class

                            You can add up to 6 items per a category to the compare list.

                            Metal Washers - Hardened Type, Standard / Precision Class (Configurable)

                                You can add up to 6 items per a category to the compare list.

                                Metal Washers - Thickness +-0.10 & +-0.01 mm/ID(H7) & OD(g6/h7) Selectable

                                    You can add up to 6 items per a category to the compare list.

                                    Simultaneous Grind Spacers

                                        You can add up to 6 items per a category to the compare list.

                                        Metal Collar - Hardened Type - Standard / Precision Class, L Dimension Configurable / Dimension Configurable

                                            You can add up to 6 items per a category to the compare list.

                                            Metal Washers Hardened, Configurable

                                                You can add up to 6 items per a category to the compare list.

                                                Metal Washers - Counterbored Holes Type

                                                    You can add up to 6 items per a category to the compare list.

                                                    Metal Washers (Pkg.) - Pressed Type

                                                        You can add up to 6 items per a category to the compare list.

                                                        Metal Collar - Flanged, Standard Grade / Precision Grade

                                                            You can add up to 6 items per a category to the compare list.

                                                            Metal Washers - Thickness +-0.005 - +-0.30 mm Selectable

                                                                You can add up to 6 items per a category to the compare list.

                                                                Metal Washers Hardened, Thickness Selectable

                                                                    You can add up to 6 items per a category to the compare list.

                                                                    Metal Washers Thickness Tolerance Selectable

                                                                        You can add up to 6 items per a category to the compare list.

                                                                        Stepped Spacers
                                                                          Stepped Spacers
                                                                          Stepped Spacers

                                                                            You can add up to 6 items per a category to the compare list.

                                                                            Metal Washers - Female Thread Type

                                                                                You can add up to 6 items per a category to the compare list.

                                                                                Metal Washers - Flanged Type

                                                                                    You can add up to 6 items per a category to the compare list.

                                                                                    Metal Collar - Standard Grade / Precision Grade I.D. / O.D. Tolerance Selectable / Dimension Configurable

                                                                                        You can add up to 6 items per a category to the compare list.

                                                                                        Metal Washers For Flat Head Bolt

                                                                                            You can add up to 6 items per a category to the compare list.

                                                                                            Brass Spacer (Hollow, Round) CB-E/-BE/-CE

                                                                                                You can add up to 6 items per a category to the compare list.

                                                                                                Washer

                                                                                                    You can add up to 6 items per a category to the compare list.

                                                                                                    Metal Washers - with Slotted Hole&Pilotv

                                                                                                        You can add up to 6 items per a category to the compare list.

                                                                                                        Metal Washers Counterbored Hole

                                                                                                            You can add up to 6 items per a category to the compare list.

                                                                                                            Metal Washers - with Clearance Holes

                                                                                                                You can add up to 6 items per a category to the compare list.

                                                                                                                Metal Collars Flanged
                                                                                                                  Metal Collars Flanged
                                                                                                                  Metal Collars Flanged

                                                                                                                    You can add up to 6 items per a category to the compare list.

                                                                                                                    Metal Washers Standard/Precision Grade, Configurable

                                                                                                                        You can add up to 6 items per a category to the compare list.

                                                                                                                        Metal Washers - with Selectable Shape

                                                                                                                            You can add up to 6 items per a category to the compare list.

                                                                                                                            Metal Collars Length Configurable

                                                                                                                                You can add up to 6 items per a category to the compare list.

                                                                                                                                Brass Spacer (Hollow, Round) Pipe CB-P/CB-PC

                                                                                                                                    You can add up to 6 items per a category to the compare list.

                                                                                                                                    Eco Spacer (Hollow) / CE-N

                                                                                                                                        You can add up to 6 items per a category to the compare list.

                                                                                                                                        Metal Collars Hardened, Configurable

                                                                                                                                            You can add up to 6 items per a category to the compare list.

                                                                                                                                            Metal Collars Simultaneous Grinding

                                                                                                                                                You can add up to 6 items per a category to the compare list.

                                                                                                                                                Metal Collars Standard/Precision Grade, Dimension Configurable

                                                                                                                                                    You can add up to 6 items per a category to the compare list.

                                                                                                                                                    Brass Spacer (Hollow, Square) / CQB-E
                                                                                                                                                      Brand

                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

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                                                                                                                                                      MISUMI

                                                                                                                                                      MiSUMi Economy

                                                                                                                                                      MISUMI

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                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

                                                                                                                                                      MiSUMi Economy

                                                                                                                                                      MISUMI

                                                                                                                                                      MiSUMi Economy

                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

                                                                                                                                                      MiSUMi Economy

                                                                                                                                                      HIROSUGI-KEIKI

                                                                                                                                                      IWATA MFG

                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

                                                                                                                                                      MiSUMi Economy

                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

                                                                                                                                                      MiSUMi Economy

                                                                                                                                                      MISUMI

                                                                                                                                                      MiSUMi Economy

                                                                                                                                                      MISUMI

                                                                                                                                                      MISUMI

                                                                                                                                                      MiSUMi Economy

                                                                                                                                                      HIROSUGI-KEIKI

                                                                                                                                                      HIROSUGI-KEIKI

                                                                                                                                                      MISUMI

                                                                                                                                                      MiSUMi Economy

                                                                                                                                                      MISUMI

                                                                                                                                                      MiSUMi Economy

                                                                                                                                                      MISUMI

                                                                                                                                                      MiSUMi Economy

                                                                                                                                                      HIROSUGI-KEIKI

                                                                                                                                                      Product Series

                                                                                                                                                      Metal Washers - T Dimension Configurable, Precision Class

                                                                                                                                                      Metal Washers - Standard / Precision Class

                                                                                                                                                      Metal Washers - Thickness +-0.10 & +-0.01 mm/Dimensions Configurable

                                                                                                                                                      Metal Collar - Precision Grade, Dimension Configurable

                                                                                                                                                      Metal Washers - Countersunk Type

                                                                                                                                                      Metal Washers - Hardened Type, Standard / Precision Class

                                                                                                                                                      Metal Washers - Hardened Type, Standard / Precision Class (Configurable)

                                                                                                                                                      Metal Washers - Thickness +-0.10 & +-0.01 mm/ID(H7) & OD(g6/h7) Selectable

                                                                                                                                                      Simultaneous Grind Spacers

                                                                                                                                                      Metal Collar - Hardened Type - Standard / Precision Class, L Dimension Configurable / Dimension Configurable

                                                                                                                                                      Metal Washers Hardened, Configurable

                                                                                                                                                      Metal Washers - Counterbored Holes Type

                                                                                                                                                      Metal Washers (Pkg.) - Pressed Type【50-100 Pieces Per Package】

                                                                                                                                                      Metal Collar - Flanged, Standard Grade / Precision Grade

                                                                                                                                                      Metal Washers - Thickness +-0.005 - +-0.30 mm Selectable

                                                                                                                                                      Metal Washers Hardened, Thickness Selectable

                                                                                                                                                      Metal Washers Thickness Tolerance Selectable

                                                                                                                                                      Stepped Spacers

                                                                                                                                                      Metal Washers - Female Thread Type

                                                                                                                                                      Metal Washers - Flanged Type

                                                                                                                                                      Metal Collar - Standard Grade / Precision Grade I.D. / O.D. Tolerance Selectable / Dimension Configurable

                                                                                                                                                      Metal Washers For Flat Head Bolt

                                                                                                                                                      Brass Spacer (Hollow, Round) CB-E/-BE/-CE

                                                                                                                                                      Washer

                                                                                                                                                      Metal Washers - with Slotted Hole&Pilotv

                                                                                                                                                      Metal Washers Counterbored Hole

                                                                                                                                                      Metal Washers - with Clearance Holes

                                                                                                                                                      Metal Collars Flanged

                                                                                                                                                      Metal Washers Standard/Precision Grade, Configurable

                                                                                                                                                      Metal Washers - with Selectable Shape

                                                                                                                                                      Metal Collars Length Configurable

                                                                                                                                                      Brass Spacer (Hollow, Round) Pipe CB-P/CB-PC

                                                                                                                                                      Eco Spacer (Hollow) / CE-N

                                                                                                                                                      Metal Collars Hardened, Configurable

                                                                                                                                                      Metal Collars Simultaneous Grinding

                                                                                                                                                      Metal Collars Standard/Precision Grade, Dimension Configurable

                                                                                                                                                      Brass Spacer (Hollow, Square) / CQB-E

                                                                                                                                                      CAD
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                                                                                                                                                      From

                                                                                                                                                      ₹ 2,279.34

                                                                                                                                                      ₹ 17.00

                                                                                                                                                      ₹ 164.93

                                                                                                                                                      ₹ 168.84

                                                                                                                                                      ₹ 301.00

                                                                                                                                                      ₹ 19.00

                                                                                                                                                      ₹ 48.00

                                                                                                                                                      Days to Ship Same day or more 6 Day(s) or more 6 Day(s) 6 Day(s) Same day or more 6 Day(s) or more 8 Day(s) or more 6 Day(s) 7 Day(s) or more 8 Day(s) or more 9 Day(s) 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more 9 Day(s) 9 Day(s) 7 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) 9 Day(s) 5 Day(s) or more 7 Day(s) or more 6 Day(s) or more 9 Day(s) 7 Day(s) or more 9 Day(s) 9 Day(s) 8 Day(s) or more 9 Day(s) 5 Day(s) or more 6 Day(s) or more 9 Day(s) 9 Day(s) 9 Day(s) 6 Day(s) or more
                                                                                                                                                      I.D. ShapeStraightStraightStraightStraightFlat Head ScrewStraightStraightStraightStraightStraightStraightCounterboredStraightStraightStraightStraightStraightStraightTappedStraightStraightFlat Head ScrewStraightStraightSlotted Hole, NotchedCounterboredScrew HoleStraightStraightStraight / Slotted Hole, Notched / 2-HoleStraightStraightStraightStraightStraightStraightStraight
                                                                                                                                                      O.D.(mm)4 ~ 604 ~ 604 ~ 1004 ~ 10010 ~ 604 ~ 604 ~ 1004 ~ 604 ~ 504 ~ 100-10 ~ 10010 ~ 204 ~ 605 ~ 604 ~ 60-5 ~ 506 ~ 1005 ~ 605 ~ 6025 ~ 505 ~ 108 ~ 3018 ~ 4610 ~ 6020 ~ 60--10 ~ 504 ~ 603.24 ~ 84 ~ 604 ~ 50-6
                                                                                                                                                      I.D.(mm)2 ~ 302 ~ 300 ~ 902 ~ 902 ~ 302 ~ 300 ~ 903 ~ 580 ~ 482 ~ 90-3 ~ 883 ~ 102 ~ 553 ~ 90--2 ~ 44-2 ~ 583 ~ 589 ~ 113.2 ~ 6.33 ~ 20-3.5 ~ 113 ~ 28--3 ~ 302 ~ 302.22.2 ~ 5.32 ~ 30--3.2
                                                                                                                                                      Thickness/Length(mm)1 ~ 1010 ~ 1001 ~ 1010 ~ 1002 ~ 101 ~ 101 ~ 101 ~ 101 ~ 10010 ~ 100-1 ~ 501 ~ 310 ~ 1001 ~ 10--1 ~ 503 ~ 502 ~ 1010 ~ 100-1 ~ 402 ~ 5--1 ~ 10--3 ~ 10-23 ~ 10---30
                                                                                                                                                      ShapeStraightStraightStraightStraightStraightStraightStraightStraightStraightStraight-StraightStraightFlangedStraight--FlangedStraightFlangedStraight-StraightStraightStraight / Flanged-Straight--Straight-StraightStraight---Square
                                                                                                                                                      MaterialSteelSteelSteelSteelSteelSteelSpecial Steel ~ SteelSteelSpecial Steel ~ SteelSpecial Steel ~ SteelSteelSpecial Steel ~ SteelSteelSteelSteelSteelSteelSteelSteelSpecial Steel ~ SteelSteelSteelBrassSteelSteelSteelSteelSteelSteelSteelSteelBrassBrassSteelSteelSteelBrass
                                                                                                                                                      Surface TreatmentElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel PlatingElectroless Nickel Plating
                                                                                                                                                      I.D. Tolerance+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.2~0 ~ H7+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.3~+0.1H7+0.3~+0.1+0.3~+0.1+0.2~0 ~ H7+0.3~+0.1±0.15+0.3~+0.1+0.3~+0.1+0.3~+0.1+0.3~+0.1-+0.3~+0.1±0.3 ~ Not Specified+0.3~+0.1Not Specified±0.15+0.3~+0.1+0.3~+0.1+0.3~+0.1±0.15
                                                                                                                                                      Thickness / Length Tolerance±0.01 ~ ±0.10~-0.1 ~ ±0.01±0.01 ~ ±0.10~-0.1 ~ ±0.01±0.1±0.01 ~ ±0.1±0.01 ~ ±0.1±0.01 ~ ±0.1±0.050~-0.1 ~ ±0.01±0.01 ~ ±0.1±0.01 ~ ±0.1±0.08 ~ ±0.150~-0.3 ~ ±0.01-0.1~-0.3 ~ +0.3~+0.1±0.01-0.1~-0.3 ~ +0.3~+0.10~-0.1 ~ +0.1~0±0.10~-0.3 ~ ±0.010~-0.1 ~ ±0.01±0.1±0.1±0.1±0.1±0.01 ~ ±0.1±0.10~-0.1 ~ +0.1~0±0.01 ~ ±0.1±0.1-Not Specified±0.1-±0.050~-0.1±0.1
                                                                                                                                                      O.D. Tolerance0~-0.20~-0.20~-0.20~-0.20~-0.20~-0.20~-0.2-0.1~-0.3 ~ h70~-0.20~-0.20~-0.20~-0.20~-0.20~-0.20~-0.20~-0.20~-0.2h70~-0.20~-0.2-0.1~-0.3 ~ h70~-0.2±0.050~-0.20~-0.20~-0.20~-0.2-0~-0.20~-0.2 ~ Not Specified0~-0.2Not SpecifiedNot Specified0~-0.20~-0.20~-0.2Not Specified
                                                                                                                                                      Sale TypeSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemBulk PackageSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle Item / Bulk PackageSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemSingle ItemBulk PackageBulk PackageSingle ItemSingle ItemSingle ItemBulk Package

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                                                                                                                                                      Related Categories to Metal Washers, Collars

                                                                                                                                                      FAQ Metal Washers, Collars

                                                                                                                                                      Question: What are metal washers and collars?
                                                                                                                                                      Answer: Washers and collars are essential parts in engineering and mechanical applications. They distribute the force of threaded fasteners, such as bolts or screws, to prevent damage and ensure a secure hold. They can also be used as spacers, locking devices and wear pads. Collars are cylindrical spacers used to maintain the position of parts on a shaft or other component.
                                                                                                                                                      Question: How do I choose the right metal washer or collar for my application?
                                                                                                                                                      Answer: When selecting a metal washer or collar, consider the following features:
                                                                                                                                                      • Inside Diameter (ID): Make sure it matches the diameter of the bolt or shaft.
                                                                                                                                                      • Outside Diameter (OD): Should be large enough to distribute the force effectively.
                                                                                                                                                      • Thickness/Length: Must fit the space and load requirements.
                                                                                                                                                      • Material: Selected based on the application environment (e.g. stainless steel for corrosion resistance).
                                                                                                                                                      • Surface Treatment: For added protection and durability, a finish such as black oxide or nickel plating is available.
                                                                                                                                                      Question: What material are the metal washers and collars made of?
                                                                                                                                                      Answer: Commonly used materials include:
                                                                                                                                                      • Stainless Steel: has excellent corrosion resistance and strength
                                                                                                                                                      • Steel: versatile material, suitable for most applications
                                                                                                                                                      • Brass: provides good electrical conductivity and corrosion resistance
                                                                                                                                                      • Aluminum: lightweight and corrosion resistant, ideal for weight-sensitive applications
                                                                                                                                                      Question: What is the difference between standard and precision grade washers and collars?
                                                                                                                                                      Answer: Standard grade washers and collars are suitable for general applications where tight tolerances are not important. However, precision grades provide tighter tolerances and better surface finish, making them ideal for high precision applications where exact dimensions are critical.
                                                                                                                                                      Question: Can I customize the size of the washers and collars?
                                                                                                                                                      Answer: Yes, many suppliers offer customizable options for washers and collars. You can specify inside and outside diameters, thicknesses, and even special features like deep holes or flanged edges to meet the specific needs of your application.
                                                                                                                                                      Question: What is the importance of surface coating on metal washers and collars?
                                                                                                                                                      Answer: Surface treatment can improve the performance and life of washers and collars by enhancing properties such as corrosion resistance, hardness or aesthetics. Common finishes include:
                                                                                                                                                      • Black oxide: Increases corrosion resistance and reduces light reflection.
                                                                                                                                                      • Nickel plating: Provides a smooth, shiny surface with good corrosion resistance.
                                                                                                                                                      • Anodizing: Commonly applied to aluminum to improve corrosion resistance and color.
                                                                                                                                                      Question: How can I be sure that the washer and collar meet my durability requirements?
                                                                                                                                                      Answer: Specify tolerance level when ordering. Standard options include:
                                                                                                                                                      • Inner diameter tolerance: ±0.05mm to +0.3mm
                                                                                                                                                      • Outer diameter tolerance: ±0.1mm to ±0.3mm
                                                                                                                                                      • Thickness tolerance: ±0.01mm to ±0.3mm
                                                                                                                                                      Question: Are there special washers and collars for specific applications?
                                                                                                                                                      Answer: Yes, there are many specialised types available, such as:
                                                                                                                                                      • Countersunk washers: Designed for use with countersunk screws, allowing the screw to be flush with the face
                                                                                                                                                      • Flange collars: Provide a larger bearing surface, which distributes forces over a larger area
                                                                                                                                                      • Hardened washers: Ideal for high load or high wear applications due to their increased hardness
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