Standard: DIN 82013 - 2010
Available sizes: M12 to M30 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| M12 | Φ24 | 1 | 0.032 | 14 | 2 | 2 |
| M16 | Φ32 | 1.5 | 0.067 | 19 | 2.5 | 2.5 |
| M18 | Φ40 | 1.5 | 0.142 | 23 | 3 | 3 |
| M22 | Φ48 | 2 | 0.251 |
| 29 |
| 3.5 |
| 3.5 |
| M24 | Φ61 | 2.5 | 0.503 | 36 | 5 | 5 |
| M27 | Φ76 | 2.5 | 0.965 | 41 | 5 | 5 |
| M30 | Φ82 | 2.5 | 1.2 | 44 | 5 | 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.