Standard: GB /T 2196
Available sizes: M10 to M8 (4 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| M10 | 65 | 52 | 6.012 | 40 | 20 | 75 | 19.87 | 6 |
| M12 | 75 | 60 | 6.012 | 50 | 25 | 95 | 24.87 | 6 |
| M6 | 28 | 24 | 3.01 | 20 |
| 10 |
| 35 |
| 9.91 |
| 3 |
| M8 | 45 | 36 | 4.012 | 30 | 15 | 55 | 14.89 | 4 |
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.