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Knob Screws（Polygonal Shape, Type：Cross Shape）
When selecting a Knobs Screws, it is crucial to consider factors, including size, shape (eg., round, mushroom, ball, T- shaped and polygon shape), material (eg., plastic, stainless steel, aluminum and so on.) and mounting type for example threaded and tapped. These considerations are crucial for ensuring the production of high-quality products. We highly recommend reputable brands such as MISUMI, ESCO and KONISHI, as well as cost-effective options from MISUMI ECONOMY.
Take advantage of the convenience of FREE SHIPPING and NO MINIMUM ORDER on knob screw. Should you have any doubts or require assistance in choosing the right product, our experts are readily available to provide advice and guidance.
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15 items
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MISUMI
Plastic Knobs/Star Knobs
Plastic Knobs Screws are commonly used in various applications to secure, adjust, and control different mechanical devices. They offer a wide variety of sizes to choose from.
[Feature]
● Shape : Four Lobed Knobs
● Thread Size : M5, M6, M8, M10 and M12
● Material :
Knobs - Nylon 6 (glossy)
Screws - Male Thread (SS400), Female Thread (Gunmental)
[Application]
Plastic Knobs Screws are commonly used in fastening, assembly, adjustment, clamping and so on- Volume Discount
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method 5 ～ 12 - Threaded / Tapped - 25 ～ 40 Polygonal Shape Nylon - Steel / Tinned Bronze None None - Cross Shape - Not Provided Blind Bore - None / Trivalent Chromate - From: ₹ 124.67 Days to Ship: Same day or more 
Same day or more
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MISUMI
Plastic Knobs/Cross Knobs
Plastic Knobs Screws are commonly used in various applications to secure, adjust, and control different mechanical devices. They offer a wide variety of sizes to choose from.
[Feature]
● Shape : Cross Knobs (Four Lobed Knobs)
● Thread Size : M6, M8, M10 and M12
● Material :
Knobs - Nylon 6 (Mat Black)
Screws - SUM22L
[Application]
Plastic Knobs Screws are commonly used in fastening, assembly, adjustment, clamping and so on- Volume Discount
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method 6 ～ 12 - Threaded / Tapped - 10 ～ 40 Polygonal Shape Nylon - Steel None None - Cross Shape - Not Provided Blind Bore - Trivalent Chromate - From: ₹ 224.02 Days to Ship: Same day or more
Same day or more
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Stainless-Steel Cross-Shaped Knob (CK-SUS)
IMAO CORPORATION
This stainless steel knob is most suitable for use in food machinery and sanitary equipment. The product has no extra indentations and is easy to clean.
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method 6 ～ M12 - Threaded / Tapped / Round Bore - 15 ～ 50 Polygonal Shape Stainless Steel - Stainless Steel None None - Cross Shape - Not Provided Blind Bore / Reamer Finishing Buffed None - From: ₹ 1,403.68 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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NABEYA BI-TECH
The shape can handle a lot of force.
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method M6 ～ M12 - Threaded / Tapped - 10 ～ 40 Polygonal Shape Nylon - Stainless Steel / Steel None - - Cross Shape - Not Provided Blind Bore None None / Trivalent Chromate - From: ₹ 253.51 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Plastic Parts Tightening Handle Bolt Model KRM-F
KYOWA
Main body type Polygon (cruciform), Mounting part type Male thread (M), Main body material Polyamide, Mounting part material Steel, Mounting part surface treatment Trivalent chromate plating
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method M5 ～ M12 - Threaded - 25 ～ 40 Polygonal Shape Polyamide - Stainless Steel None - Not Provided Cross Shape - Not Provided - None Trivalent Chromate - From: ₹ 226.75 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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IMAO CORPORATION
[Features]
· Standard type cross knob which can be strongly tightened due to it's cross shape.Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method 5 ～ M20 - Tapped / Round Bore - 10 ～ 38 Polygonal Shape Steel - Steel - None - Cross Shape - Not Provided Blind Bore / Reamer Finishing Coating None - From: ₹ 405.56 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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NABEYA BI-TECH
Steel cross knob.
[Features]
·FC200, chijimi baking paint.
·Pilot hole or female thread can be selected by product code.
·CK-prepared hole, CKT-female thread.
[Applications]
·When you want to install and remove screws without tools.Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method 5 ～ M12 - Tapped / Others - 10 ～ 22 Polygonal Shape Steel - Steel - - - Cross Shape - Not Provided Blind Bore Coating None - From: ₹ 590.47 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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IMAO CORPORATION
Aluminum cross knob that uses a cross shape and which can strongly tighten. It is also light.
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method 8 ～ M16 - Tapped / Round Bore - 15 ～ 28 Polygonal Shape Aluminum - Aluminum - None - Cross Shape - Not Provided Blind Bore / Reamer Finishing Buffed None - From: ₹ 1,645.40 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Stainless Steel Cross Knob, CK-sus, CK-L-sus
KONISHI
[Features]
・ It is a stainless steel cross knob manufactured by lost wax casting
・ The surface was buffed to a mirror finish
・ It is the most suitable part for food machinery and medical equipment because it does not easily get bacteria and does not worry about corrosion- CAD ：
- 2D
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method 6 ～ M12 - Threaded (Stepped) / Tapped (Stepped) / Round Bore - 12 ～ 50 Polygonal Shape Stainless Steel - Stainless Steel None None Not Provided Cross Shape - Not Provided Blind Bore / Reamer Finishing Buffed None - From: ₹ 1,243.36 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Plastic Parts, Tightening Handle Nut KRM-G Type
KYOWA
Tighten firmly. Tightening handle nut. Main body Polygon (cruciform), Type of mounting part Female thread (M), Female thread, Round hole processing, Blind hole, Main body material Polyamide, Mounting part material Brass, Mounting part surface treatment None
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method M5 ～ M12 - Tapped - 9 ～ 16 Polygonal Shape Polyamide - Brass - - Not Provided Cross Shape - Not Provided Blind Bore None None - From: ₹ 254.87 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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NABEYA BI-TECH
The shape can handle a lot of force. Because the metal hub is exposed, it is easy to use for additional work and fixing pins.
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method 6 ～ M12 - Tapped / Round Bore - 12 ～ 22 Polygonal Shape Nylon - Stainless Steel / Steel - None - Cross Shape - Not Provided Blind Bore / Reamer Finishing None None / Trivalent Chromate - From: ₹ 341.87 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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NABEYA BI-TECH
Built-in axial bearing. By reducing the friction of the seating surface, you can obtain twice the normal tightening force.
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method M6 ～ M12 - Tapped - 14.5 ～ 28.5 Polygonal Shape Nylon - Steel - - - Cross Shape - Axial Bearing Built-in Blind Bore None Nitriding Treatment - From: ₹ 4,918.67 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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NABEYA BI-TECH
Cross shaped plastic knob.
[Features]
·Male or female threads can be selected according to the product code.
·Two color variations of black and red.
·Applying too much force when tightening may cause damage. Make sure that the resin cap and screw are firmly attached, and do not overtighten.
[Applications]
·When you want to install and remove screws without tools.Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method M5 ～ M12 - Threaded / Tapped - 9 ～ 40 Polygonal Shape Nylon - Steel / Brass None - - Cross Shape - Not Provided Blind Bore None None / Trivalent Chromate - From: ₹ 193.02 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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KONISHI
Variations include the center hole, reamer hole and tap hole processed in the boss center, please choose one.
[Features]
・ A durable knob made of cast iron equivalent to JIS B 2603-4
· Standardized tapped hole with center hole type- CAD ：
- 2D
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method 5 ～ M12 - Tapped (Stepped) / Round Bore - 14 ～ 25 Polygonal Shape Steel - Steel - None Not Provided Cross Shape - Not Provided Blind Bore / Reamer Finishing Coating Others - From: ₹ 371.27 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Palm Grip, Actual-Bearing Type ACKL, ACKF
KONISHI
By reducing the friction of the seating surface, it is possible to obtain an equivalent sealing force with half the effort compared to knobs of the same size. Since the tightening seat surface does not rotate, the workpiece will not be scratched. Axial bearing inside the bearing surface.
- CAD ：
- 2D
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications Mounting Section, Length L(mm) Main Body, Type Main Body Material Round Shape, Type Mounting Section, Material Threaded End Machining Set Screw Flat Machining Side Machined Polygonal Shape, Type T Shape, Type Additional Function Tapped, Round Hole Machining Main Body, Surface Treatment Mounting Section, Surface Treatment Cleaning Method M6 ～ M12 - Threaded (Stepped) / Tapped (Stepped) - 14 ～ 50 Polygonal Shape Nylon - Steel None None Not Provided Cross Shape - Axial Bearing Built-in Blind Bore None Black Oxide - From: ₹ 2,955.62 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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| CAD |
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| Days to Ship |
| Mounting Section Dia. d (mm) or Nominal Dia. |
| Environmentally friendly |
| Mounting Section Type |
| Characteristics/Applications |
| Mounting Section, Length L(mm) |
| Main Body, Type |
| Main Body Material |
| Round Shape, Type |
| Mounting Section, Material |
| Threaded End Machining |
| Set Screw Flat Machining |
| Side Machined |
| Polygonal Shape, Type |
| T Shape, Type |
| Additional Function |
| Tapped, Round Hole Machining |
| Main Body, Surface Treatment |
| Mounting Section, Surface Treatment |
| Cleaning Method |
You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.       | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | MISUMI | MISUMI | IMAO CORPORATION | NABEYA BI-TECH | KYOWA | IMAO CORPORATION | NABEYA BI-TECH | IMAO CORPORATION | KONISHI | KYOWA | NABEYA BI-TECH | NABEYA BI-TECH | NABEYA BI-TECH | KONISHI | KONISHI |
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| From | ₹ 124.67 | ₹ 224.02 | ₹ 1,403.68 | ₹ 253.51 | ₹ 226.75 | ₹ 405.56 | ₹ 590.47 | ₹ 1,645.40 | ₹ 1,243.36 | ₹ 254.87 | ₹ 341.87 | ₹ 4,918.67 | ₹ 193.02 | ₹ 371.27 | ₹ 2,955.62 |
| Days to Ship | Same day or more | Same day or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more |
| Mounting Section Dia. d (mm) or Nominal Dia. | 5 ～ 12 | 6 ～ 12 | 6 ～ M12 | M6 ～ M12 | M5 ～ M12 | 5 ～ M20 | 5 ～ M12 | 8 ～ M16 | 6 ～ M12 | M5 ～ M12 | 6 ～ M12 | M6 ～ M12 | M5 ～ M12 | 5 ～ M12 | M6 ～ M12 |
| Environmentally friendly | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Mounting Section Type | Threaded / Tapped | Threaded / Tapped | Threaded / Tapped / Round Bore | Threaded / Tapped | Threaded | Tapped / Round Bore | Tapped / Others | Tapped / Round Bore | Threaded (Stepped) / Tapped (Stepped) / Round Bore | Tapped | Tapped / Round Bore | Tapped | Threaded / Tapped | Tapped (Stepped) / Round Bore | Threaded (Stepped) / Tapped (Stepped) |
| Characteristics/Applications | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Mounting Section, Length L(mm) | 25 ～ 40 | 10 ～ 40 | 15 ～ 50 | 10 ～ 40 | 25 ～ 40 | 10 ～ 38 | 10 ～ 22 | 15 ～ 28 | 12 ～ 50 | 9 ～ 16 | 12 ～ 22 | 14.5 ～ 28.5 | 9 ～ 40 | 14 ～ 25 | 14 ～ 50 |
| Main Body, Type | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape | Polygonal Shape |
| Main Body Material | Nylon | Nylon | Stainless Steel | Nylon | Polyamide | Steel | Steel | Aluminum | Stainless Steel | Polyamide | Nylon | Nylon | Nylon | Steel | Nylon |
| Round Shape, Type | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Mounting Section, Material | Steel / Tinned Bronze | Steel | Stainless Steel | Stainless Steel / Steel | Stainless Steel | Steel | Steel | Aluminum | Stainless Steel | Brass | Stainless Steel / Steel | Steel | Steel / Brass | Steel | Steel |
| Threaded End Machining | None | None | None | None | None | - | - | - | None | - | - | - | None | - | None |
| Set Screw Flat Machining | None | None | None | - | - | None | - | None | None | - | None | - | - | None | None |
| Side Machined | - | - | - | - | Not Provided | - | - | - | Not Provided | Not Provided | - | - | - | Not Provided | Not Provided |
| Polygonal Shape, Type | Cross Shape | Cross Shape | Cross Shape | Cross Shape | Cross Shape | Cross Shape | Cross Shape | Cross Shape | Cross Shape | Cross Shape | Cross Shape | Cross Shape | Cross Shape | Cross Shape | Cross Shape |
| T Shape, Type | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Additional Function | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Axial Bearing Built-in | Not Provided | Not Provided | Axial Bearing Built-in |
| Tapped, Round Hole Machining | Blind Bore | Blind Bore | Blind Bore / Reamer Finishing | Blind Bore | - | Blind Bore / Reamer Finishing | Blind Bore | Blind Bore / Reamer Finishing | Blind Bore / Reamer Finishing | Blind Bore | Blind Bore / Reamer Finishing | Blind Bore | Blind Bore | Blind Bore / Reamer Finishing | Blind Bore |
| Main Body, Surface Treatment | - | - | Buffed | None | None | Coating | Coating | Buffed | Buffed | None | None | None | None | Coating | None |
| Mounting Section, Surface Treatment | None / Trivalent Chromate | Trivalent Chromate | None | None / Trivalent Chromate | Trivalent Chromate | None | None | None | None | None | None / Trivalent Chromate | Nitriding Treatment | None / Trivalent Chromate | Others | Black Oxide |
| Cleaning Method | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Loading...
Configure
Specification/Dimensions
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Mounting Section Dia. d (mm) or Nominal Dia.
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Environmentally friendly
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Mounting Section Type
- Threaded
- Threaded (Stepped)
- Tapped
- Tapped (Stepped)
- Round Bore
- Press Fit
- Others
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Characteristics/Applications
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Mounting Section, Length L(mm)
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Main Body, Type
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Main Body Material
- Stainless Steel
- Steel
- Aluminum
- Nylon
- Phenol
- ABS
- Polyacetal
- Brass
- Polyamide
- Polypropylene
- Melamine Plastic
- EPDM
- Others
- Vinyl
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Round Shape, Type
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Mounting Section, Material
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Threaded End Machining
- None
- Spherical
- With Pad
- Cone Point
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Set Screw Flat Machining
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Side Machined
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Polygonal Shape, Type
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T Shape, Type
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Additional Function
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Tapped, Round Hole Machining
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Main Body, Surface Treatment
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Mounting Section, Surface Treatment
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Cleaning Method
- Degreasing
- Precision Cleaning
- Electrolytic Polishing + Precision Cleaning
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-
FAQ Knob Screws
- Question: How do I properly install the knob screw?
- Answer: Here are some example to install a Knob Screws tapped type
1. Prepare the Surface: Clean and clear the area where the knob screw will be installed.
2. Choose the Right Screw: Select a screw with the appropriate size and thread that matches the knob.
3. Mark the Location: Use a pencil to mark where the knob screw will go, ensuring proper alignment.
4. Create Pilot Holes (if needed): Use a drill to create small guide holes in the marked spots, if the material is hard.
5. Insert the Screw: Place the screw through the knob and into the pilot hole or surface.
6. Tighten the Screw: Use a screwdriver to turn the screw clockwise, securely fastening the knob in place.
7. Test the Knob: Check the knob's movement and stability to ensure proper installation.
8. Adjust if Necessary: If the knob feels loose, you may need to tighten the screw further. - Question: Type of knobs screw?
- Answer: There are various types of knob screws designed for specific applications. Here are a few common types:
1. Round Knurled Thumb Screws: These have textured heads for better grip, often used in applications where a secure grip is essential.
2. Lobed Knobs: Have a lobed design for a comfortable grip, commonly found on industrial and mechanical equipment.
3. Ball Knobs: These have a spherical shape and are commonly used on levers or control mechanisms.
4. T-Knobs: Shaped like the letter "T," these knobs are simple to turn and are used in applications where frequent adjustments are needed.
5. Star Knobs: Featuring a star-shaped head for easy turning, often used in applications requiring frequent adjustments.
6. Mushroom Knobs: Shaped like a mushroom. It is used for cabinets, drawers, and doors, these knobs provide a comfortable grip for opening and closing
- Question: How to choose the knob screw?
- Answer: Here are some example how to choose the knob screw
1. Usage: Identify its purpose, such as indoor/outdoor and specific applications like machines, jig fixtures, doors, cabinets, etc.
2. Material: Match durability to the environment (stainless steel, aluminum, brass and plastic (eg., ABS, Nylon and so on).
3. Thread Type and Thread Size : Ensure screw matches knob (Threaded, Tapped) or Press fit. and the thread size is appropriate to install
4. Size: Select a knob head size that is appropriate for your intended use.
5. Head Type: Choose based on knob design (eg.,round, T Shape, Wing Shape, Polygon shape etc.).
6. Easy to install : Ensure easy installation and tightening.
7. Follow Guidelines: Check knob manufacturer's recommendations. - Question: What is the usage for knob screw?
- Answer: The primary usage of a knob screw is to enable manual control, adjustment, or fastening in a wide range of applications. Here are additional examples of how knob screws are used:
1. Camera Tripods: Knob screws are used to secure the legs and adjust the height of camera tripods, aiding photographers in achieving stable shots.
2. HVAC Systems: Knob screws are used to control airflow direction and intensity in ventilation systems, enhancing indoor air quality and comfort.
3. Scientific Research Instruments: In laboratories, knob screws are employed to fine-tune the position of laser optics, ensuring precise experimental setups.
4. Automated Manufacturing: Knob screws play a role in industrial automation by adjusting the position of sensors. - Question: What is the difference between knob screw and door knob?
- Answer: Knob Screw:
A knob screw is a type of fastener used to secure or adjust objects together. It consists of a threaded and a head. The head is designed for easy gripping and turning by hand. Knob screws are commonly used in applications where frequent adjustments or temporary fastening is required. They are often found in devices like clamps, jigs, and fixtures. The main purpose of a knob screw is to provide a manual way of securing two components together without the need for additional tools.
Door Knob:
A door knob, on the other hand, is a handle or knob attached to a door that allows people to open and close the door. It is usually mounted on a spindle that connects the knob on the outside of the door to a mechanism on the inside, allowing the door to be latched or unlatched. Door knobs come in various designs and materials, and they serve both functional and aesthetic purposes. They are an integral part of doors in buildings and structures
In summary,
A knob screw is a threaded fastener used for securing or adjusting objects together, often by hand.
A door knob is a handle attached to a door, allowing people to open and close the door, serving a functional and aesthetic purpose.
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