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 | 145 | 123 | M12 | 10 | 60 | 65 | 15.8 | 175 | 77 | 288 |
| 110 | 180 | 145 | 139 | M12 | 15 | 68 | 74 | 28.1 |
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.
| 193 |
| 86 |
| 433 |
| 120 | 200 | 145 | 150 | M12 | 18 | 68 | 74 | 39 | 200 | 86 | 519 |
| 130 | 225 | 230 | 162 | M14 | 18 | 75 | 81 | 60.6 | 215 | 95 | 712 |
| 140 | 250 | 230 | 135 | M14 | 20 | 88 | 94 | 75.2 | 178 | 108 | 792 |
| 150 | 275 | 355 | 142 | M16 | 18 | 98 | 104 | 102 | 187 | 120 | 970 |
| 160 | 305 | 355 | 176 | M16 | 24 | 98 | 104 | 158 | 222 | 120 | 1318 |
| 170 | 315 | 355 | 170 | M16 | 24 | 98 | 104 | 167.5 | 215 | 120 | 1340 |
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