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 | 2.563 | 2.411 | 1-13/16 | 1.8125 | 1.155 | 1.079 | 1.756 | 1-1/8 |
| 1/4 | 0.3125 | 0.795 | 0.750 | 9/16 | 0.5625 | 0.330 | 0.280 | 0.546 | 5/16 |
| 3/4 | 1.5000 | 3.359 | 3.158 | 2-3/8 |
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.
| 2.3750 |
| 1.536 |
| 1.433 |
| 2.300 |
| 1-1/2 |
| 3/8 | 0.6250 | 1.503 | 1.416 | 1-1/16 | 1.0625 | 0.647 | 0.587 | 1.031 | 5/8 |
| 5/16 | 0.4375 | 1.060 | 1.000 | 3/4 | 0.7500 | 0.456 | 0.403 | 0.728 | 7/16 |
| 5/8 | 1.3750 | 3.094 | 2.909 | 2-3/16 | 2.1875 | 1.409 | 1.310 | 2.119 | 1-3/8 |
| 7/16 | 0.8750 | 2.033 | 1.914 | 1-7/16 | 1.4375 | 0.901 | 0.833 | 1.394 | 7/8 |
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