Standard: F 3082
Available sizes: G 1/2 to G 3/8 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| G 1/2 | 5 | 24.275 | 24 | 27.4 | 16 | 5.5 | 55 | 15.8 | 21 | 54.26 | 16.2 |
| G 1/4 | 4 | 10.19 | 10 | 11.4 | 14 | 4.5 | 26 | 13.8 |
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.
| 18 |
| 25.48 |
| 14.2 |
| G 1/8 | 3 | 6.15 | 6 | 6.9 | 12 | 3.5 | 18 | 11.8 | 15 | 17.57 | 12.2 |
| G 3/4 | 5 | 32.33 | 32 | 36.6 | 20 | 5.5 | 68 | 19.8 | 25 | 67.26 | 20.2 |
| G 3/8 | 5 | 17.23 | 17 | 19.4 | 16 | 5.5 | 39 | 15.8 | 21 | 38.38 | 16.2 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.