Standard: SAE J 513
Available sizes: 1/4 to 3/16 (2 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/4 | 1/2 -20 | 0.91 | 22.3 | 0.219 | 4.78 | 1/4 | 7/16 -20 | 23.1 | 23.9 | 5.56 | 0.188 |
| 3/16 | 7/16 -20 | 1.12 | 27.6 | 0.188 | 15.88 | 3/4 | 1-1/16 -14 |
| 28.4 |
| 29.2 |
| 4.78 |
| 0.625 |
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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