Standard: NF E 27
Available sizes: 10 to 8 (5 sizes)
| Size | P | s_max | s_min |
|---|---|---|---|
| 10 | 2 | 50 | 240 |
| 12 | 2.5 | 75 | 300 |
| 14 | 2.5 | 80 | 330 |
| 6 | 1.25 | 35 | 120 |
| 8 | 1.75 | 40 | 180 |
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.