Standard: YJT 5006
Available sizes: M10 to M8 (7 sizes)
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| M10 | 30 | 34 | 2 | 30 | 29.2 ~ 29.4 |
| M3 | 6 | 10 | 0.8 | 8 | 5.6 ~ 5.7 |
| M3.5 | 8 | 13 | 1 | 10 | 7.6 ~ 7.7 |
| M4 | 12 | 17 | 1.5 | 14 | 11.3 ~ 11.5 |
| M5 | 16 | 26 |
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.
| 1.75 |
| 22 |
| 15.2 ~ 15.4 |
| M6 | 20 | 28 | 2 | 24 | 19.2 ~ 19.4 |
| M8 | 26 | 31 | 2 | 27 | 25.2 ~ 25.4 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.