Standard: GB /T 2196
Available sizes: 11 to 9 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 11 | 21 | 52 | 19.87 | 39.975 | 39.913 | 65 | 40 | 30 | 20 | 40 | 100 |
| 13 | 25 | 60 | 24.87 | 49.975 | 49.913 | 75 | 50 |
| 35 |
| 25 |
| 50 |
| 120 |
| 6.6 | 9 | 24 | 9.91 | 19.98 | 19.928 | 28 | 20 | 13 | 10 | 20 | 45 |
| 9 | 13 | 36 | 14.89 | 29.98 | 29.928 | 45 | 30 | 20 | 15 | 30 | 70 |
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.
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