Standard: JB /T 1000 - 1977
Available sizes: M10 to M8 (6 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 1.5 | 1.5 | 12 | 19 | / | 3 | 19 | 18.72 | / | 21.9 |
| M12 | 1.5 | 1.5 | 12 | 22 | 25 | 3 | 19 | 18.72 | 7 | 21.9 |
| M14 | 2 | 2 |
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.
| 16 |
| 29 |
| 35 |
| 3.5 |
| 22 |
| 21.72 |
| 8 |
| 25.4 |
| M16 | 2 | 2 | 20 | 41 | 53 | 3.5 | 36 | 35.66 | 14 | 41.6 |
| M18 | 2 | 2 | 26 | 51 | 74 | 3.5 | 50 | 49.66 | 18 | 57.7 |
| M8 | 1 | 1 | 8 | 14 | / | 2 | 17 | 16.76 | / | 19.6 |
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