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 | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 1 | 1.625 | 3.063 | 0.136 | 1.688 | 3 | 1.313 | 2.937 | 0.177 |
| 1/2 | 0.688 | 1.345 | 0.122 | 0.72 | 1.313 | 0.547 | 1.281 | 0.177 |
| 3/4 | 1.188 | 2.313 | 0.136 | 1.251 |
| 2.25 |
| 0.984 |
| 2.187 |
| 0.177 |
| 5/8 | 0.938 | 1.782 | 0.136 | 0.97 | 1.75 | 0.766 | 1.718 | 0.177 |
| 7/8 | 1.5 | 2.813 | 0.136 | 1.563 | 2.75 | 1.203 | 2.687 | 0.177 |
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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