Standard: YJT 7018
Available sizes: 0.25 to 0.562 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.25 | 0.015 | 0.191 | 0.173 | 0.356 | 0.336 | 0.017 | 0.013 | 0.033 | 0.029 | 0.346 | 0.069 |
| 0.312 | 0.025 | 0.254 | 0.230 | 0.492 | 0.472 | 0.027 |
| 0.023 |
| 0.049 |
| 0.039 |
| 0.482 |
| 0.101 |
| 0.375 | 0.035 | 0.290 | 0.260 | 0.558 | 0.538 | 0.037 | 0.033 | 0.053 | 0.045 | 0.548 | 0.117 |
| 0.438 | 0.035 | 0.380 | 0.340 | 0.704 | 0.684 | 0.037 | 0.033 | 0.060 | 0.060 | 0.694 | 0.137 |
| 0.453 | 0.035 | 0.490 | 0.450 | 0.841 | 0.821 | 0.037 | 0.033 | 0.070 | 0.060 | 0.831 | 0.147 |
| 0.5 | 0.042 | 0.600 | 0.545 | 0.986 | 0.956 | 0.044 | 0.04 | 0.084 | 0.060 | 0.971 | 0.16 |
| 0.562 | 0.042 | 0.730 | 0.665 | 1.126 | 1.096 | 0.044 | 0.04 | 0.104 | 0.060 | 1.111 | 0.16 |
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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