Plastic Head Thumb Screws
PDM
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Features of Torx Thumb Screw
Multi Colored Thumb Screws Title:
Professional Manufacturer Thumb Screws female threaded thumb screw knob m6 m8 star plastic thumb screw
Plastic Knob Thumb Screw Introduction:
Definition: A screw operated by hand, with a plastic material (or plastic wrap) head and anti slip structures such as rolled/wing shaped/star shaped. The screw can be made of metal or plastic and is used for quick fastening and adjustment without tools.
Head: Made of plastic material, commonly rolled, wing shaped, star shaped, straight cylindrical, providing anti slip grip surface.
Screw: Metal (stainless steel/carbon steel) or plastic, external thread, compatible with pre drilled threaded holes or nuts.
Optional features: anti loosening serrated surface, captive anti drop design, anti-static/vibration reducing modified formula.
Material: Nylon PA66 (insulation, chemical resistance, low cost), POM (good rigidity, low friction, dimensional stability), PC (high impact resistance, transparency, heat resistance), etc
Metric: M3-M12, thread length 5-50mm, head diameter 8-20mm.
Imperial system: # 4-40 to 1/4-20, etc.
| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M4/M5/M6 | 25 | 10 | 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 |
| Thread Size | D(mm) | H(mm) | H3(mm) | d1(mm) | H1(mm) |
| M4/M5/M6 | 25 | 17 | 5 | 14 | 12 |
| Thread Size | D(mm) | H(mm) | H3(mm) | d1(mm) | h2(mm) |
| M5/M6 | 30 | 18 | 5 | 16 | 9 |
| Thread Size | D(mm) | H(mm) | H3(mm) | d1(mm) | h2(mm) |
| M5/M6/M8 | 55 | 18 | 7 | 16 | 27 |
| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M5/M6 | 25 | 10 | 13 | 6 |
| M6/M8 | 32 | 12 | 16 | 10 |
| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M6/M8/M10 | 40 | 13 | 19 | 9 |
Application:
Roll flower head straight tube type: cylindrical head+circumferential roll flower, suitable for foundation fastening, such as equipment panel and guide rail fixation.
Wing shaped (butterfly shaped): Double wing design, labor-saving and easy to twist, used for frequent adjustment, such as lamp brackets and chassis covers.
Star/Heart shaped: Multi angle/arc-shaped anti slip surface, comfortable to operate, suitable for medical and laboratory equipment.
Captive anti drop type: The screw is connected to the mother part to prevent loss, suitable for complex assembly with frequent maintenance.
Anti static/vibration reduction modified type: suitable for special environments such as electronics, aerospace, etc.
Nylon Knurled Thumb Screw Advantages & Features
Tool free: operate by hand, improve maintenance efficiency, suitable for small spaces.
Insulation and corrosion prevention: The plastic head is non-conductive, resistant to acid, alkali, and salt spray, and can replace metal fasteners.
Lightweight: 30% -60% lighter than all metal, reducing transportation and assembly loads.
Cost friendly: Injection molding is efficient and suitable for mass production.
Scratch resistant: The plastic contact surface is undamaged and compatible with panels and glass components.
Features of Torx Thumb Screw
Multi Colored Thumb Screws Title:
Professional Manufacturer Thumb Screws female threaded thumb screw knob m6 m8 star plastic thumb screw
Plastic Knob Thumb Screw Introduction:
Definition: A screw operated by hand, with a plastic material (or plastic wrap) head and anti slip structures such as rolled/wing shaped/star shaped. The screw can be made of metal or plastic and is used for quick fastening and adjustment without tools.
Head: Made of plastic material, commonly rolled, wing shaped, star shaped, straight cylindrical, providing anti slip grip surface.
Screw: Metal (stainless steel/carbon steel) or plastic, external thread, compatible with pre drilled threaded holes or nuts.
Optional features: anti loosening serrated surface, captive anti drop design, anti-static/vibration reducing modified formula.
Material: Nylon PA66 (insulation, chemical resistance, low cost), POM (good rigidity, low friction, dimensional stability), PC (high impact resistance, transparency, heat resistance), etc
Metric: M3-M12, thread length 5-50mm, head diameter 8-20mm.
Imperial system: # 4-40 to 1/4-20, etc.
| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M4/M5/M6 | 25 | 10 | 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 |
| Thread Size | D(mm) | H(mm) | H3(mm) | d1(mm) | H1(mm) |
| M4/M5/M6 | 25 | 17 | 5 | 14 | 12 |
| Thread Size | D(mm) | H(mm) | H3(mm) | d1(mm) | h2(mm) |
| M5/M6 | 30 | 18 | 5 | 16 | 9 |
| Thread Size | D(mm) | H(mm) | H3(mm) | d1(mm) | h2(mm) |
| M5/M6/M8 | 55 | 18 | 7 | 16 | 27 |
| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M5/M6 | 25 | 10 | 13 | 6 |
| M6/M8 | 32 | 12 | 16 | 10 |
| Thread Size | D(mm) | H(mm) | d1(mm) | H1(mm) |
| M6/M8/M10 | 40 | 13 | 19 | 9 |
Application:
Roll flower head straight tube type: cylindrical head+circumferential roll flower, suitable for foundation fastening, such as equipment panel and guide rail fixation.
Wing shaped (butterfly shaped): Double wing design, labor-saving and easy to twist, used for frequent adjustment, such as lamp brackets and chassis covers.
Star/Heart shaped: Multi angle/arc-shaped anti slip surface, comfortable to operate, suitable for medical and laboratory equipment.
Captive anti drop type: The screw is connected to the mother part to prevent loss, suitable for complex assembly with frequent maintenance.
Anti static/vibration reduction modified type: suitable for special environments such as electronics, aerospace, etc.
Nylon Knurled Thumb Screw Advantages & Features
Tool free: operate by hand, improve maintenance efficiency, suitable for small spaces.
Insulation and corrosion prevention: The plastic head is non-conductive, resistant to acid, alkali, and salt spray, and can replace metal fasteners.
Lightweight: 30% -60% lighter than all metal, reducing transportation and assembly loads.
Cost friendly: Injection molding is efficient and suitable for mass production.
Scratch resistant: The plastic contact surface is undamaged and compatible with panels and glass components.
