Standard: DIN 5406 - 2011
Available sizes: 10 to 30 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 10 | 12.205 | 3 | 3 | 12.095 | 25 | 1 | MB 1 | 17 | 10.5 |
| 12 | 17.205 | 4 | 4 | 17.095 | 32 | 1 | MB 3 | 24 | 15.5 |
| 15 |
| 25.24 |
| 5 |
| 5 |
| 25.11 |
| 42 |
| 1.25 |
| MB 5 |
| 32 |
| 23 |
| 17 | 35.28 | 5 | 6 | 35.12 | 57 | 1.25 | MB 7 | 44 | 32.5 |
| 20 | 45.29 | 6 | 6 | 45.13 | 69 | 1.25 | MB 9 | 56 | 42.5 |
| 25 | 55.33 | 7 | 8 | 55.14 | 81 | 1.5 | MB 11 | 67 | 52.5 |
| 30 | 60.33 | 7 | 8 | 60.14 | 86 | 1.5 | MB 12 | 73 | 57.5 |
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.
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.