Standard: JB /T 7934 - 1999
Available sizes: 100 to 170 (8 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 | 155 | 85 | 83 | 86 | M10 | 66 | 28 | 12.7 | 232 | 76 | 9 |
| 110 | 180 | 83 | 83 | 96 | M10 | 76 | 33 | 20.1 |
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.
| 310 |
| 86 |
| 12 |
| 120 | 200 | 84 | 83 | 96 | M10 | 76 | 33 | 27 | 361 | 86 | 14 |
| 130 | 225 | 82 | 145 | 110 | M12 | 86 | 38 | 38.3 | 451 | 98 | 12 |
| 140 | 250 | 82 | 145 | 126 | M12 | 102 | 46 | 57 | 601 | 114 | 16 |
| 150 | 285 | 90 | 230 | 136 | M14 | 110 | 50 | 90.7 | 825 | 122 | 16 |
| 160 | 325 | 86 | 230 | 136 | M14 | 110 | 50 | 120.6 | 928 | 122 | 18 |
| 170 | 375 | 97 | 355 | 162 | M16 | 130 | 60 | 215 | 1433 | 146 | 20 |
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