Standard: JB /T 1700
Available sizes: M24 to M30 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M24 | 12 | 2 | 41 | 36 | 18 | 36 | 27.5 | 8 | 5 | 47.3 | 15 |
| M27 | 18 | 2 | 55 | 48 | 18 | 48 | 36.5 |
| 8 |
| 5 |
| 63.5 |
| 15 |
| M30 | 30 | 2 | 75 | 68 | 22 | 68 | 52.5 | 10 | 5 | 86.5 | 18 |
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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