- small screw,micro fastener,mini screw
- 0756-8586520
Micro Screw Plating & Corrosion Resistance Comparison Zinc Nickel Black Zinc
Micro Screw Plating & Corrosion Resistance Guide
Plating quality directly affects the service life of micro screws in humid environments.
Plating Performance Table
| Plating | Color | Salt Spray(h) | Thickness | Cost | Application |
| White Zinc | Bright silver | 12–24 | Thin | Lowest | Dry indoor, general electronics |
| Blue Zinc | Light blue | 24–48 | Thin | Low | Indoor, slightly humid |
| Color Zinc | Rainbow | 48–72 | Medium | Medium-Low | Humid indoor, non-outdoor |
| Nickel | Mirror silver | 48–96 | Medium | Medium | Appearance parts, precision instruments |
| Black Zinc | Matte black | 24–48 | Thin | Medium-Low | Anti-glare, black appearance |
Conclusion
Select white zinc for cost saving, color zinc for humid conditions, nickel for premium appearance, black zinc for anti-glare. We provide ROHS-compliant micro screws with customized plating.