Standard: DIN 65526 - 2016
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 | 20 | 1.74 | 1.6 | 0.3 | 4.85 | 19.98 | 19.959 | MJ20×1.5 | 29 | 0.6 | 12.6 |
| 4 | 5 | 1.54 | 1.4 | 0.2 | 1.35 | 4.99 | 4.978 |
| MJ5×0.8 |
| 7.4 |
| 0.5 |
| 3.25 |
| 5 | 8 | 1.74 | 1.6 | 0.2 | 2.1 | 7.987 | 7.972 | MJ8×1 | 12.2 | 0.5 | 5.35 |
| 6 | 12 | 1.74 | 1.6 | 0.3 | 2.85 | 11.984 | 11.966 | MJ12×1.25 | 18 | 0.6 | 7.9 |
| 8 | 16 | 1.74 | 1.6 | 0.3 | 3.85 | 15.984 | 15.966 | MJ16×1.5 | 23 | 0.6 | 10.05 |
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.