Standard: DIN 65339 - 2021
Available sizes: MJ10 to MJ8 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MJ10 | 20 | 9.7 | 10 | 1.6 | 1.74 | 0.6 | 0.3 | 3.98 | 33.6 | 4.85 | 3.8 |
| MJ4 | 05 | 2.7 | 3 | 1 | 1.14 | 0.5 | 0.2 |
| 1.64 |
| 8.7 |
| 1.35 |
| 1.5 |
| MJ5 | 08 | 4.2 | 4.5 | 1.4 | 1.54 | 0.5 | 0.2 | 2.04 | 14.3 | 2.1 | 1.9 |
| MJ6 | 12 | 5.7 | 6 | 1.6 | 1.74 | 0.6 | 0.3 | 2.54 | 21.1 | 2.85 | 2.4 |
| MJ8 | 16 | 7.7 | 8 | 1.6 | 1.74 | 0.6 | 0.3 | 3.14 | 26.8 | 3.85 | 3 |
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.