Standard: DIN 82004 - 1972
Available sizes: 0.4 to 2 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| 0.4 | 6.3 | M16 | 12 | 48 | 12 | 21 | 502 |
| 0.6 | 16 | M22 | 14 | 58 | 16 | 26 | 599 |
| 1 | 25 | M27 | 14 | 72 | 21 | 32 | 707 |
| 1.6 | 40 | M33 | 18 |
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.
| 94 |
| 26 |
| 40 |
| 824 |
| 2 | 50 | M36 | 18 | 94 | 26 | 40 | 866 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.