Standard: JB /T 3411.24 - 1999
Available sizes: 0.1 to 3 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| 0.1 | 0.2 | 12 | 65 | 0.195 | 3.5 | 3.4 |
| 0.2 | 0.5 | 12 | 65 | 0.495 | 3.5 | 3.4 |
| 0.3 | 2 | 12 | 65 | 1.995 | 3.5 | 3.4 |
| 0.5 | 0.1 | 16 | 65 | 0.095 | 5.5 | 5.4 |
| 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.
| 0.3 |
| 16 |
| 65 |
| 0.295 |
| 5.5 |
| 5.4 |
| 2 | 1 | 16 | 65 | 0.995 | 5.5 | 5.4 |
| 3 | 3 | 16 | 65 | 2.995 | 5.5 | 5.4 |
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