Standard: ISO 8434
Available sizes: 10 to 8 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 10 | L | 10 | 31 | 22 | 18 | 23.5 | M26×1.5 | 15 | 27 |
| 12 | L | 12 | 38 | 32 | 28 | 30.5 | M36×2 | 24 | 41 |
| 15 | L | 16 | 46 | 46 | 42 |
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.
| 35 |
| M52×2 |
| 36 |
| 55 |
| 6 | L | 8 | 23 | 12 | 8 | 16 | M14×1.5 | 6 | 14 |
| 8 | L | 8 | 25 | 16 | 12 | 18 | M18×1.5 | 10 | 19 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.