Standard: GB /T 10603
Available sizes: 1 to 7 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 1 | / | 10 | 22 | 0.63 | 0.8 | 10 | 9 | 20 |
| 2 | 0.63 | 12 | 26.4 | 1 | 1.25 | 12 | 11.2 | 25 |
| 3 | 1 | 16 | 35.2 | 1.6 |
| 2 |
| 16 |
| 14 |
| 31.5 |
| 4 | 1.6 | 20 | 44 | 2.5 | 3.2 | 20 | 18 | 40 |
| 5 | 2.5 | 24 | 52.8 | 4 | 5 | 24 | 22.4 | 50 |
| 6 | 4 | 33 | 72.6 | 6.3 | 8 | 33 | 28 | 63 |
| 7 | 5 | 36 | 79.2 | 8 | 10 | 36 | 31.5 | 71 |
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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