Standard: DIN 2353 - 2013
Available sizes: 10 to 8 (6 sizes)
| Size | P | r | k_max | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 10 | S | 21.5 | R 3/8 | 40 | 400 | 20 | M18 * 1.5 keg | 38 |
| 12 | S | 24.5 | R 1/2 | 40 | 400 | 22.5 | M22 * 1.5 keg | 43 |
| 4 | LL | 9.5 | R 1/8 | 10 |
| 100 |
| 12 |
| M8 * 1 keg |
| 21 |
| 5 | LL | 11.5 | R 1/8 | 10 | 100 | 15 | M10 * 1 keg | 23 |
| 6 | L | 23.5 | R 1/2 | 16 | 160 | 26.5 | M22 * 1.5 keg | 40 |
| 8 | S | 17 | R 1/4 | 40 | 400 | 19 | M14 * 1.5 keg | 32 |
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.