Plastic Knob Thumb Nuts
PDM
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Features of Knurled Thumb Nut
Multi Colored Thumb Nuts Title:
China Suppliers M3 M5 M6 M8 Plastic Head Thumb Nuts plastic knurled thumb nuts colorful matte finish
Plastic Knob Thumb Nuts Introduction:
Core use: Used for occasions that require frequent disassembly, manual adjustment, insulation, scratch resistance, and aesthetics.
Plastic Knob
Material: PA66, PP, PE, ABS, POM, etc
PA66 (nylon 66) is the most commonly used material due to its high strength, wear resistance, and heat resistance.
ABS has good rigidity and a bright appearance, suitable for home appliances and equipment panels.
PP/PE is chemical resistant, low temperature resistant, and cost-effective.
POM (polyoxymethylene) has high hardness, low friction, and dimensional stability, and is used for precision adjustment
Surface: Roll pattern, vertical pattern, grid pattern, increase friction, easy to twist by hand
Shape: circular, star shaped, T-shaped, butterfly shaped, cylindrical head
Insert Nut
Material: Carbon steel, stainless steel (SS304/316)
Metric threads: M3, M4, M5, M6, M8
British thread: # 4-40, # 6-32, # 8-32, 10-24, 1/4-20
Height/Outer Diameter: Customized according to customer requirements, with a standard outer diameter of 10mm to 30mm.
Process: Injection molding, encapsulation, press fit, integrated molding;
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| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M4/M5/M6 | 25 | 13 | 14 | 3 |
| M5/M6/M8 | 31 | 13 | 16 | 2 |
| M6/M8/M10 | 38 | 14 | 20 | 3 |
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| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M3/M4/M5 | 14 | 8 | 10 | 3 |
| M4/M5/M6 | 18 | 9 | 11 | 3 |
| M6/M8 | 25 | 12 | 19 | 5 |
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| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M4/M5/M6 | 27 | 7 | 13 | 4 |
| M5/M6 | 35 | 10 | 14 | 8 |
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| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M6/M8 | 40 | 11 | 17 | 4 |
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| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M6/M8 | 48 | 11 | 17 | 8 |
| M6/M8/M10/M12 | 65 | 16 | 20 | 13 |
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T Head Thumb Female Nut Application:
Electronic devices, instruments, and chassis panels
Home appliances, speakers, monitor stands
Office equipment, medical equipment
Lighting fixtures, adjustable brackets, protective covers
Fitness equipment, furniture quick installation structure
Equipment that requires manual adjustment and frequent disassembly
![]()
Knurled Thumb Nuts Advantages & Features
Manual operation, quick installation, disassembly, and adjustment without the need for tools, improves assembly efficiency.
The insulated and non-conductive plastic casing provides good insulation and is suitable for electronic devices.
Corrosion and rust resistant plastics are acid and alkali resistant, moisture-proof, and suitable for humid/outdoor environments.
Comfortable to touch, does not harm hands, does not damage panels with sharp edges, and will not scratch the device casing.
The appearance is neat and beautiful, and can be made in black, white, gray, and color to enhance the texture of the product.
Customizable in size, color, and thread logo、Shape.
Features of Knurled Thumb Nut
Multi Colored Thumb Nuts Title:
China Suppliers M3 M5 M6 M8 Plastic Head Thumb Nuts plastic knurled thumb nuts colorful matte finish
Plastic Knob Thumb Nuts Introduction:
Core use: Used for occasions that require frequent disassembly, manual adjustment, insulation, scratch resistance, and aesthetics.
Plastic Knob
Material: PA66, PP, PE, ABS, POM, etc
PA66 (nylon 66) is the most commonly used material due to its high strength, wear resistance, and heat resistance.
ABS has good rigidity and a bright appearance, suitable for home appliances and equipment panels.
PP/PE is chemical resistant, low temperature resistant, and cost-effective.
POM (polyoxymethylene) has high hardness, low friction, and dimensional stability, and is used for precision adjustment
Surface: Roll pattern, vertical pattern, grid pattern, increase friction, easy to twist by hand
Shape: circular, star shaped, T-shaped, butterfly shaped, cylindrical head
Insert Nut
Material: Carbon steel, stainless steel (SS304/316)
Metric threads: M3, M4, M5, M6, M8
British thread: # 4-40, # 6-32, # 8-32, 10-24, 1/4-20
Height/Outer Diameter: Customized according to customer requirements, with a standard outer diameter of 10mm to 30mm.
Process: Injection molding, encapsulation, press fit, integrated molding;
![]()
| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M4/M5/M6 | 25 | 13 | 14 | 3 |
| M5/M6/M8 | 31 | 13 | 16 | 2 |
| M6/M8/M10 | 38 | 14 | 20 | 3 |
![]()
| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M3/M4/M5 | 14 | 8 | 10 | 3 |
| M4/M5/M6 | 18 | 9 | 11 | 3 |
| M6/M8 | 25 | 12 | 19 | 5 |
![]()
| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M4/M5/M6 | 27 | 7 | 13 | 4 |
| M5/M6 | 35 | 10 | 14 | 8 |
![]()
| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M6/M8 | 40 | 11 | 17 | 4 |
![]()
| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M6/M8 | 48 | 11 | 17 | 8 |
| M6/M8/M10/M12 | 65 | 16 | 20 | 13 |
![]()
T Head Thumb Female Nut Application:
Electronic devices, instruments, and chassis panels
Home appliances, speakers, monitor stands
Office equipment, medical equipment
Lighting fixtures, adjustable brackets, protective covers
Fitness equipment, furniture quick installation structure
Equipment that requires manual adjustment and frequent disassembly
![]()
Knurled Thumb Nuts Advantages & Features
Manual operation, quick installation, disassembly, and adjustment without the need for tools, improves assembly efficiency.
The insulated and non-conductive plastic casing provides good insulation and is suitable for electronic devices.
Corrosion and rust resistant plastics are acid and alkali resistant, moisture-proof, and suitable for humid/outdoor environments.
Comfortable to touch, does not harm hands, does not damage panels with sharp edges, and will not scratch the device casing.
The appearance is neat and beautiful, and can be made in black, white, gray, and color to enhance the texture of the product.
Customizable in size, color, and thread logo、Shape.
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PDM's custom screws and components, including non-standard screws, custom stainless steel screws, and thumb screws, have been recognized by a Spanish client in the pumps systems and solutions industry. The client visited PDM to secure multi-category cooperation, focusing on stainless steel Beverage mixer accessories and Stainless Steel Gas Manifold Fitting. The long-term partnership between the two parties is based on PDM's competitive costs, stable quality, fast delivery, and professional service. PDM looks forward to expanding cooperation with more customers from Spain and Europe.
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