Standard: IS 2048
Available sizes: 10 to 8 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 14 | M5 | 10 | 0.4 | 0.6 | 13.957 | 9 | 160 | 5.5 | 8.91 | 36 |
| 12 | 18 | M6 | 11 | 0.4 | 0.6 | 17.957 | 11 |
| 200 |
| 6.6 |
| 10.89 |
| 50 |
| 14 | 22 | M6 | 11 | 0.6 | 0.8 | 21.948 | 14 | 250 | 6.6 | 13.89 | 63 |
| 16 | 28 | M10 | 18 | 0.6 | 0.8 | 27.948 | 16 | 320 | 11 | 15.89 | 80 |
| 18 | 32 | M10 | 18 | 0.6 | 0.8 | 31.938 | 18 | 360 | 11 | 17.89 | 90 |
| 8 | 10 | M3 | 6 | 0.4 | 0.6 | 9.964 | 8 | 110 | 3.4 | 7.91 | 22 |
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.