Standard: GB /T 1096 - 1979
Available sizes: 10 to 8 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 10 | 22 | 0.60 | 0.80 | 21.948 | 14 | 5.5 | 13.89 | 11 |
| 2 | 3 | 0.16 | 0.25 | 2.975 | 3 | 0.023 | 2.94(2.975) | 0.045 |
| 3 | 5 | 0.25 | 0.40 | 4.97 | 5 | 0.105 | 4.925(4.97) | 0.21 |
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.
| 4 | 8 | 0.25 | 0.40 | 7.964 | 7 | 0.38 | 6.91 | 0.76 |
| 5 | 12 | 0.40 | 0.60 | 11.957 | 8 | 1 | 7.91 | 2 |
| 6 | 16 | 0.40 | 0.60 | 15.957 | 10 | 2.15 | 9.91 | 4.3 |
| 8 | 20 | 0.60 | 0.80 | 19.948 | 12 | 4 | 11.89 | 8 |
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