1、High wear resistance, corrosion resistance, no rust in humid environment, strong oxidation resistance
2、410 stainless steel, beautiful and practical, high hardness, no deformation
3、Standard cross groove, standard parts, locking and not easy to slip
4、Screw thread, deep thread, uniform force
Specification
| Brand name |
Cross-groove countersunk self-drilling and self-tapping screws |
| Standard | DIN7504P |
| Head shape | Sink one’s head |
| Wood quality | 410 stainless steel |
| Standard type | National standard |
Production Process
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