Standard: DIN 787 - 2005
Available sizes: M5 to M8 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M5 | 6 | 13 | 8 | 28 | 12 | 5.7 | 5.5 | 9.5 | 1.6 | 40 | 10 |
| M6 | 10 | 21 | 14 | 45 | 20 | 9.7 | 9.5 | 14.5 |
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.
| 1.6 |
| 63 |
| 15 |
| M8 | 12 | 25 | 16 | 120 | 25 | 11.7 | 11.4 | 17.5 | 2.5 | 200 | 18 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.