Standard: GB 96 - 1985
Available sizes: 10 to 8 (7 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 96.1 |
| DIN | DIN EN ISO 7093-1 |
| ISO | ISO 7093-1 |
| UNI | UNI 6593 |
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 10 | 33 | 6 | 7 | 34 | 92 |
| 256.4 |
| 89.8 |
| 5 |
| 12 | 39 | 8 | 9.2 | 40 | 110 | 495 | 107.8 | 6.8 |
| 3 | 4.3 | 1 | 1.1 | 4.48 | 12 | 0.71 | 11.57 | 0.9 |
| 4 | 6.4 | 1.6 | 1.8 | 6.62 | 18 | 2.62 | 17.57 | 1.4 |
| 5 | 10.5 | 2.5 | 2.7 | 10.77 | 30 | 11.62 | 29.48 | 2.3 |
| 6 | 15 | 3 | 3.3 | 15.27 | 44 | 30.45 | 43.38 | 2.7 |
| 8 | 22 | 4 | 4.6 | 22.52 | 60 | 70.86 | 58.1 | 3.4 |
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.