Standard: JB /T 1755 - 1991
Available sizes: 10 to 6 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | M36*2 | 0.12 | 2 | 39 | 41 | 28.5 | 36.5 | 20 | 5 | 47.3 | 26 |
| 15 | M42*2 | 0.21 | 2 | 47.5 | 50 | 34.5 | 42.5 | 22 | 5 | 57.7 | 28 |
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.
| 6 |
| M24*1.5 |
| 0.07 |
| 15 |
| 28.5 |
| 30 |
| 18.5 |
| 24.5 |
| 17 |
| 4 |
| 34.6 |
| 22 |
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