Standard: AS 1085.4 - 2002
Available sizes: (M22) to M24 (2 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M22) | 2.5 | 17 | 15 | 26.4 | 21.0 | 19.7 | 20.8 | 36.5 | 39.0 | 24.4 | 22.0 |
| M24 | 2.5 | 20 | 18 | 30.5 | 23.0 | 21.6 | 22.8 | 40.0 |
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.
| 43.0 |
| 28.0 |
| 23.7 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.