Premium M3-M10 Thumb Screws: The Ultimate Tool-Free Fastening Solution
Our M3-M10 Thumb Screws, also known as Knurled Screws, are engineered for high-precision applications where manual adjustment is essential. Designed with a textured outer surface, these thumb fasteners provide a superior grip for the fingers, allowing for quick tightening and loosening without the need for additional tools. Whether you are assembling high-end electronic equipment or professional camera rigs, our hand-tightened screws offer the perfect balance of convenience and industrial strength.
As a leading thumb screw factory, we provide both DIN 464 (High Head) and DIN 653 (Flat Head) standards. Our products are available in a variety of high-grade materials, including Brass (C3604) for excellent conductivity and 304/316 Stainless Steel for maximum corrosion resistance in medical and food-grade environments.
- Ergonomic Grip: Features a Diamond Knurl or Straight Knurl pattern to ensure a slip-free surface for effortless hand tightening.
- Material Variety: Available in Solid Brass for decorative aesthetics, Stainless Steel for durability, and Lightweight Aluminum for aerospace and robotics.
- Precision Machined: Each M4 and M6 thumb screw is CNC machined to ensure perfect thread engagement and a clean, burr-free finish.
- Customizable Finishes: From Black Anodizing for photography gear to Nickel Plating for enhanced wear resistance in industrial cabinets.
| Thread Size | Head Dia (dk) | Total Height (h) – DIN 464 | Total Height (h) – DIN 653 |
|---|---|---|---|
| M3 | 12.0 mm | 7.5 mm | 2.5 mm |
| M4 | 16.0 mm | 9.5 mm | 3.5 mm |
| M5 | 20.0 mm | 11.5 mm | 4.0 mm |
| M6 | 24.0 mm | 15.0 mm | 5.0 mm |
| M8 | 30.0 mm | 18.0 mm | 6.0 mm |
- Photography & Video: Essential for Tripod Mounts, camera cages, and lighting accessories.
- Computer Hardware: Used as PC Case Screws for easy access to internal components.
- Medical Devices: Stainless steel 316 thumb screws are used in diagnostic equipment for hygiene and manual calibration.
- Automotive Customization: Providing a high-end look and easy adjustment for interior panels and trim.
A: DIN 464 is a “High Head” thumb screw which offers more surface for gripping. DIN 653 is the “Flat Head” version, ideal for space-constrained assemblies.
Q: Can you provide custom anodized colors?
A: Yes, our Aluminum Thumb Screws can be anodized in Red, Blue, Black, Gold, and other custom colors to match your brand or product design.
Partner with a Professional M3-M10 Thumb Screw Supplier
Seeking bulk knurled thumb screws with premium finishes and guaranteed precision? We support OEM projects and global wholesale. Contact us today for a free quote and technical samples!





