M5 M8 Carbon steel Thumb Screw Galvanized Spade head Thumb screw Blue Zinc coating
| Attribute | Value |
|---|---|
| Usage | Fastening |
| Style | Thumb Screw |
| Size | Various sizes available |
| Head Style | Thumb Screw |
| Strength | High |
| Finish | Galvanised |
| Manufacturer | JIA SHAN Hardward Company |
| Length | As customisation |
| Package | Small Packing+Carton Packing+Pallet |
| Standard | DIN |
| Package Quantity | 100 pieces |
| Shape | Self Tapping Screws |
| Measurement System | INCH, Metric |
| Port | Shenzhen |
| Quality | Inspection before shipment |
| Color | As customisation |
| Material | Carbon steel |
Hand screws (also known as thumbscrews) are versatile fasteners designed for manual tightening and loosening without requiring tools. Their tool-free operation makes them ideal for applications where space constraints prevent the use of screwdrivers or wrenches.
These fasteners are particularly useful for components requiring frequent removal, such as panels, covers, or maintenance access points. Their large, knurled heads provide excellent grip for hand tightening, and some models include a screwdriver slot for additional installation options.
- Knurled head design for enhanced grip during manual installation
- Available in various sizes and custom lengths
- High-strength carbon steel construction
- Galvanized finish with blue zinc coating for corrosion resistance
- DIN standard compliant
- Self-tapping design for easy installation
Thumb screws are widely used in:
- Panel fastening and enclosure systems
- Equipment covers and access panels
- Electronics and appliance assemblies
- Industrial machinery requiring frequent maintenance access
- Woodworking and specialized construction applications
| No. | C% | Cr% | Ni% | Mo% |
|---|---|---|---|---|
| 304 | 0.07 | 17.5-19.5 | 8.0-10.5 | / |
| 316 | 0.08 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
| 301 | 0.15 | 16.0-18.1 | 6-8 | / |
| 310 | 0.08 | 24-26 | 19-22 | / |
| 304L | 0.03 | 18-20 | 8-12 | / |
| 316L | 0.03 | 16-18 | 10-14 | 2-3 |
| 321 | 0.08 | 17-19 | 9-12 | / |
Our thumb screws are carefully packaged in small packs, cartons, and pallets to ensure safe transportation. Each shipment undergoes rigorous quality inspection before dispatch from our facility in Shenzhen.
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