Standard: JB /T 6381.2 - 2007
Available sizes: 10 to 16 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 12 | 11.2×1.8G | 18×2.65G | 12 | 30 | G 3/8 | 7 | 24 | 27 | 27 | 51 |
| 12 | 16 | 14×2.65G | 23.6×2.65G | 14 | 39 | G 1/2 | 10 |
| 30 |
| 34 |
| 34 |
| 62 |
| 14 | 25 | 23.6×2.65G | 34.5×2.65G | 18 | 48 | G 1 | 17 | 46 | 46 | 46 | 78 |
| 16 | 38 | 36.5×2.65G | 50×2.65G | 22 | 56 | G 1-1/2 | 26 | 60 | 60 | 60 | 92 |
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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