Standard: GJB 3374
Available sizes: 10 to 9 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | MJ18×1.5 | 1 | 1.3 | 7.64 | 24 | 18 | 17.989 | 26.8 | 16 | 8 | 23.67 |
| 4 | MJ5×0.8 | 0.3 | 0.5 | 2.75 | 8 | 5 | 4.992 |
| 8.7 |
| 6.4 |
| 3 |
| 7.85 |
| 5 | MJ6×1 | 0.5 | 0.7 | 3.2 | 10 | 7 | 6.991 | 10.9 | 7 | 3.5 | 9.78 |
| 6 | MJ8×1 | 0.5 | 0.7 | 4.2 | 12 | 9 | 8.991 | 13.2 | 8.5 | 4.5 | 11.73 |
| 7 | MJ12×1.25 | 0.6 | 0.9 | 5.7 | 17 | 12 | 11.989 | 18.9 | 12 | 5 | 16.73 |
| 8 | MJ14×1.5 | 0.8 | 1.1 | 6.64 | 19 | 15 | 14.989 | 21.1 | 13 | 6 | 18.67 |
| 9 | MJ16×1.5 | 0.8 | 1.1 | 7.64 | 22 | 17 | 16.989 | 24.5 | 15 | 7 | 21.67 |
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.
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.