Standard: NZS 1390 - 1997
Available sizes: M10 to M8 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 3 | 12 | 13.1 | 24.84 | 54 | 54 | 60 | 13.1 | 12 | 73 | 52.1 |
| M5 | 1 | 3 | 3.6 | 6.48 | 13.5 | 18 | 24 | 3.6 |
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.
| 3 |
| / |
| 12.4 |
| M6 | 1.5 | 5 | 5.8 | 10.58 | 22.5 | 26 | 32 | 5.8 | 5 | 45 | 21.2 |
| M8 | 2 | 8 | 8.9 | 16.7 | 36 | 38 | 44 | 8.9 | 8 | 57 | 34.4 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.