Standard: ASME B 18.2
Available sizes: 1 to 7/8 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | 2.742 | 2.622 | 2-3/8 | 2.375 | 1.505 | 1.433 | 2.3 | 1-15/32 |
| 1/2 | 11 | 1.227 | 1.175 | 1-1/16 | 1.062 | 0.631 | 0.587 | 1.031 | 39/64 |
| 3/4 |
| 7 |
| 2.093 |
| 2.002 |
| 1-13/16 |
| 1.812 |
| 1.139 |
| 1.079 |
| 1.756 |
| 1-7/64 |
| 5/8 | 9 | 1.66 | 1.589 | 1-7/16 | 1.438 | 0.885 | 0.833 | 1.394 | 55/64 |
| 7/8 | 6 | 2.526 | 2.416 | 2-3/16 | 2.188 | 1.378 | 1.31 | 2.119 | 1-11/32 |
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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