Standard: JB /T 11010 - 2010
Available sizes: 12 to 20 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 12 | 1.5 | 19.3 | 25.4 | 22 | 21.2 | ≥123 | 20 | 36 |
| 14 | 1.5 | 23.3 | 31.2 | 27 | 26.2 | ≥212 | 24 | 64 |
| 16 | 1.5 | 27.3 | 37 | 32 |
| 31 |
| ≥327 |
| 28 |
| 110 |
| 18 | 1.5 | 31.16 | 47.3 | 41 | 40 | ≥504 | 32 | 197 |
| 20 | 1.5 | 35.16 | 57.7 | 50 | 49 | ≥769 | 36 | 328 |
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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