Standard: SAE J 104 - 1969
Available sizes: 1/2 to 7/16 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 1.1250 | 2.386 | 2.239 | 1-11/16 | 1.6875 | 1.030 | 0.970 | 1.631 | 1 |
| 1/4 | 0.3125 | 0.795 | 0.751 | 9/16 | 0.5625 | 0.283 | 0.249 | 0.547 | 17/64 |
| 3/4 | 1.5000 | 3.182 | 2.986 | 2-1/4 |
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.
| 2.2500 |
| 1.348 |
| 1.276 |
| 2.175 |
| 1-5/16 |
| 3/8 | 0.6250 | 1.414 | 1.330 | 1 | 1.0000 | 0.569 | 0.525 | 0.969 | 35/64 |
| 5/16 | 0.4375 | 1.061 | 1.000 | 3/4 | 0.7500 | 0.394 | 0.356 | 0.728 | 3/8 |
| 5/8 | 1.3750 | 2.917 | 2.738 | 2-1/6 | 2.0625 | 1.237 | 1.169 | 1.994 | 1-13/64 |
| 7/16 | 0.8750 | 1.856 | 1.742 | 1-5/16 | 1.3125 | 0.792 | 0.740 | 1.269 | 49/64 |
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