Standard: JB /T 7934 - 1999
Available sizes: 100 to 90 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 | 190 | 230 | 140 | M14 | 15 | 74 | 80 | 31.2 | 205 | 94 | 480 |
| 110 | 210 | 230 | 152 | M14 | 18 | 74 | 80 | 42.9 |
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.
| 212 |
| 94 |
| 572 |
| 120 | 230 | 355 | 158 | M16 | 18 | 88 | 94 | 64 | 227 | 110 | 800 |
| 70 | 130 | 145 | 162 | M12 | 12 | 56 | 62 | 11.65 | 263 | 74 | 291 |
| 80 | 160 | 230 | 133 | M14 | 15 | 74 | 80 | 19.7 | 213 | 94 | 389 |
| 90 | 180 | 230 | 148 | M14 | 15 | 74 | 80 | 28.9 | 222 | 94 | 482 |
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