Standard: ZQ 4363 - 1997
Available sizes: M10 to M8 (7 sizes)
| Size | P | s_max | s_min | k_nominal |
|---|---|---|---|---|
| M10 | 2 | 44 | 55 | 90 |
| M12 | 3 | 60 | 80 | 130 |
| M16 | 4 | 84 | 120 | 190 |
| M20 | 5 | 108 | 160 | 260 |
| M24 | 6 | 160 | 210 | 340 |
| M30 | 6 | 180 | 250 | 370 |
Standard corrosion protection for indoor and mild outdoor environments.
Salt spray: 96–200 hours | RoHS compliant (trivalent chromium)
High-performance coating for automotive, marine, and harsh environments.
Salt spray: 720–1500 hours | Recommended for grade 8.8+
Heavy-duty protection for structural and outdoor applications.
Salt spray: 500–1000 hours | Thread tolerance adjustment required
Note for high-strength fasteners (Grade 10.9, 12.9): Electroplating processes require hydrogen embrittlement relief baking (minimum 4 hours at 200°C within 4 hours of plating). Contact our engineering team for grade-specific plating recommendations.
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
| M8 |
| 1.5 |
| 32 |
| 32 |
| 55 |
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