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Knob Screws（Round Shape, Type：Balls）
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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8 items
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KONISHI
A safe knob that is round and has no protrusions.
[Features]
・ Made of black and red phenolic resin, the surface of the sphere is glossy and beautiful
・ Operating temperature: -20 to +110℃
[Applications]
・ Can be used as a knob by screwing into the tip of the shaft- 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 M5 ～ M16 - Tapped - 9 ～ 26 Round Shape Phenol Balls Phenol / Brass - None Not Provided - - Not Provided Blind Bore None None - From: ₹ 152.09 Days to Ship: 5 Day(s) or more 
5 Day(s) or more
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NABEYA BI-TECH
Plastic Ball Knob_PB/PC
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 : Ball or Spherical
● Thread Size : M6, M8, M10 and M12
● Material : Phenol Resin and Melamine Resin
● Color : Black and Red
[Application]
Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so onMounting 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 - 10 ～ 18 Round Shape Phenol / Melamine Plastic Balls Phenol / Brass / Others - - - - - Not Provided Blind Bore None None - From: ₹ 155.35 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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NABEYA BI-TECH
Beautiful matte black. High quality feeling.
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 M4 ～ M12 - Tapped - 7 ～ 18 Round Shape Nylon Balls Steel / Nylon - - - - - Not Provided Blind Bore None None / Trivalent Chromate - From: ₹ 144.25 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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NABEYA BI-TECH
It has excellent rust prevention, corrosion resistance and durability.
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 M4 ～ M10 - Tapped - 7.2 ～ 18 Round Shape Aluminum Balls Aluminum - - - - - Not Provided Blind Bore Others None - From: ₹ 850.65 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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NABEYA BI-TECH
It is made of rubber and has a soft texture.
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 - 10 ～ 20 Round Shape EPDM Balls Steel - - - - - Not Provided Blind Bore None Trivalent Chromate - From: ₹ 321.22 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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NABEYA BI-TECH
Stainless Steel Ball KSB
Ball 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 : Ball Knobs
● Thread Size : M4, M5, M6 and M8
● Main Body Outer Diameter (mm.) : 16, 20 ,25 and 32
● Material : Stainless Steel SUS303
[Application]
Plastic Knobs Screws are commonly used in fastening, assembly, adjustment, clamping and so onMounting 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 M4 ～ M8 - Tapped - 7 ～ 14.5 Round Shape Stainless Steel Balls Stainless Steel - - - - - Not Provided Blind Bore Shot Blasting None - From: ₹ 1,245.96 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Self-Locking Plastic Ball _KSP
NABEYA BI-TECH
Through the bush, it can be securely fixed only by pushing it onto the shaft. It will not loosen even with continuous vibration.
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 - Press Fit - 13 ～ 23 Round Shape Phenol Balls Others - - - - - Not Provided Blind Bore None None - From: ₹ 428.20 Days to Ship: 8 Day(s) or more
8 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Stainless Gripping Ball, Mirror Finish, SUSBA
KONISHI
Stainless Steel ball.
[Features]
・ Safe grip with no round protrusion
・ Made of stainless steel SUS304, the surface is buffed and mirror finished
[Applications]
・ Can be used as a knob by screwing into the tip of the shaft- 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 M5 ～ M12 - Tapped - 10 ～ 24 Round Shape Stainless Steel Balls Stainless Steel - None Not Provided - - Not Provided Blind Bore Buffed None - From: ₹ 1,168.20 Days to Ship: 5 Day(s) or more
5 Day(s) or more
| Brand |
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| Product Series |
| CAD |
| From |
| 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.  | |
| Brand | KONISHI | NABEYA BI-TECH | NABEYA BI-TECH | NABEYA BI-TECH | NABEYA BI-TECH | NABEYA BI-TECH | NABEYA BI-TECH | KONISHI |
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| From | ₹ 152.09 | ₹ 155.35 | ₹ 144.25 | ₹ 850.65 | ₹ 321.22 | ₹ 1,245.96 | ₹ 428.20 | ₹ 1,168.20 |
| Days to Ship | 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 | 8 Day(s) or more | 5 Day(s) or more |
| Mounting Section Dia. d (mm) or Nominal Dia. | M5 ～ M16 | M6 ～ M12 | M4 ～ M12 | M4 ～ M10 | M6 ～ M12 | M4 ～ M8 | 5 ～ 12 | M5 ～ M12 |
| Environmentally friendly | - | - | - | - | - | - | - | - |
| Mounting Section Type | Tapped | Tapped | Tapped | Tapped | Tapped | Tapped | Press Fit | Tapped |
| Characteristics/Applications | - | - | - | - | - | - | - | - |
| Mounting Section, Length L(mm) | 9 ～ 26 | 10 ～ 18 | 7 ～ 18 | 7.2 ～ 18 | 10 ～ 20 | 7 ～ 14.5 | 13 ～ 23 | 10 ～ 24 |
| Main Body, Type | Round Shape | Round Shape | Round Shape | Round Shape | Round Shape | Round Shape | Round Shape | Round Shape |
| Main Body Material | Phenol | Phenol / Melamine Plastic | Nylon | Aluminum | EPDM | Stainless Steel | Phenol | Stainless Steel |
| Round Shape, Type | Balls | Balls | Balls | Balls | Balls | Balls | Balls | Balls |
| Mounting Section, Material | Phenol / Brass | Phenol / Brass / Others | Steel / Nylon | Aluminum | Steel | Stainless Steel | Others | Stainless Steel |
| Threaded End Machining | - | - | - | - | - | - | - | - |
| Set Screw Flat Machining | None | - | - | - | - | - | - | None |
| Side Machined | Not Provided | - | - | - | - | - | - | Not Provided |
| Polygonal Shape, Type | - | - | - | - | - | - | - | - |
| T Shape, Type | - | - | - | - | - | - | - | - |
| Additional Function | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided |
| Tapped, Round Hole Machining | Blind Bore | Blind Bore | Blind Bore | Blind Bore | Blind Bore | Blind Bore | Blind Bore | Blind Bore |
| Main Body, Surface Treatment | None | None | None | Others | None | Shot Blasting | None | Buffed |
| Mounting Section, Surface Treatment | None | None | None / Trivalent Chromate | None | Trivalent Chromate | None | None | None |
| Cleaning Method | - | - | - | - | - | - | - | - |
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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
Related Categories to Knob Screws
-
- Catches
- Door Stays
- Telescopic Slide Rails
- Fasteners, Draw Latches
- Latch Handles, Locks, Keys
- Lighting System
- Gas Springs
- Wires, Chains, Metal Fittings, Small Work Pieces
- Parts, Small Work Pieces
- Hanging Tools
- Extrusion Kits and Mesh Fences
- Handle
- Knob Screws
- Lever
- Rotation Handles, Crank Handles
- Hanger Hooks
- Shelves, Shelf Supports, Shelf Poles
- Door Wheels
- Handles
- Hinges
- DIY Supplies
-
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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