Standard: YJT 17013
Available sizes: 1/2 to 5/16 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| 1/2 | 6.25 | 1.31 | 175 | 4.25 | 2.75 | 1.75 | 79.38 |
| 1/4 | 2.75 | 0.53 | 12.5 | 1.88 | 1.13 | 0.69 | 5.67 |
| 1/8 | 1.94 | 0.22 | 2.5 | 1.31 | 0.69 | 0.31 | 1.13 |
| 3/16 | 2.13 | 0.34 | 3.75 | 1.5 | 0.81 | 0.44 | 1.70 |
| 3/8 | 5.69 | 1.06 | 100 | 4.25 | 2.5 | 1.39 | 45.36 |
| 5/16 | 3.75 | 0.78 | 50 | 2.5 | 1.63 | 1.08 | 22.68 |
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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