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Technical Precision:
Copper Knurled Thumb Screws | M3-M6 Threads | Tool-Free Fastening | High-Conductivity
Solution-Focused:
Premium Copper Thumb Screws: Corrosion-Resistant & Electrically Conductive Hand-Tighten Fasteners
| Parameter | Specification | |
|---|---|---|
| Material | DZR Copper (CW614N/CZ121) | |
| Thread Standards | Metric (M3-M6) | UNC 4-40/6-32 optional |
| Knurl Pattern | Diamond (0.8mm pitch) Ra 3.2μm | |
| Conductivity | ≥28% IACS (at 20°C) | |
| Tensile Strength | 340 MPa | |
| Salt Spray Test | 500+ hours (ASTM B117) | |
| Certifications | RoHS, REACH, ASTM B134 |
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