Standard: GB /T 3760 - 2008
Available sizes: 10 to 8 (6 sizes)
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| 10 | L | 25 | 21 | 21.5 | 20.5 |
| 12 | L | 16 | 23.5 | 24 | 23 |
| 14 | L | 10 | 26.5 | 27 | 26 |
| 15 | L | 10 | 32 | 32.5 | 31.5 |
| 6 | L | 25 |
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.
| 19 |
| 19.5 |
| 18.5 |
| 8 | L | 25 | 21 | 21.5 | 20.5 |
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