Standard: ASME B 18.2
Available sizes: 1 to 7/8 (5 sizes)
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| 1 | 1.625 | 1.313 | 1.6563 | 2.25 | 0.313 |
| 1/2 | 0.688 | 0.547 | 0.7193 | 1.75 | 0.313 |
| 3/4 | 1.25 | 0.984 | 1.2813 | 2.25 | 0.313 |
| 5/8 | 0.938 | 0.766 | 0.9693 | 1.75 | 0.313 |
| 7/8 |
| 1.5 |
| 1.203 |
| 1.5313 |
| 2.25 |
| 0.313 |
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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