Standard: JB /T 6382.1 - 2007
Available sizes: 10 to 8 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | M18×1.5 | 0.2 | 11.8×2.65G | 83 | 27 | 8 | 27 | 28 | 18 | 14 | 27 |
| 12 | M27×2 | 0.6 | 18×2.65G | 112 | 36 | 13 | 36 |
| 45 |
| 27 |
| 16 |
| 36 |
| 14 | M42×2 | 1.32 | 28×2.65G | 152 | 50 | 20 | 55 | 72 | 42 | 20 | 55 |
| 16 | M48×2 | 1.85 | 36.5×2.65G | 182 | 60 | 26 | 60 | 90 | 48 | 22 | 60 |
| 8 | M14×1.5 | 0.13 | 9×1.8G | 72 | 24 | 6 | 21 | 20 | 14 | 12 | 21 |
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.