Standard: SAE J 482
Available sizes: 1/2 to 9/16 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 8 | 1.294 | 1.031 | 1.5 | 1.45 | 1.732 | 1.653 | 1.33 | 0.25 |
| 1/4 | 18 | 0.445 | 0.328 | 0.5 | 0.489 | 0.577 | 0.557 | 0.461 | 0.078 |
| 3/8 | 12 | 0.754 | 0.594 | 0.875 | 0.861 |
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.
| 1.01 |
| 0.982 |
| 0.778 |
| 0.141 |
| 5/16 | 14 | 0.599 | 0.453 | 0.688 | 0.675 | 0.794 | 0.768 | 0.619 | 0.109 |
| 7/16 | 10 | 0.985 | 0.781 | 1.125 | 1.088 | 1.299 | 1.24 | 1.015 | 0.188 |
| 9/16 | 7 | 1.666 | 1.281 | 1.875 | 1.812 | 2.165 | 2.066 | 1.71 | 0.312 |
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