Standard: ASME B 18.7
Available sizes: 1.6 to 3.5 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.6 | 1.95 | 1.5 | 1.55 | 0.52 | 0.68 | 2.05 | 3.47 | 0.2 | 1.45 | 3.73 | 3.83 |
| 2 | 2.94 | 2.25 | 2.3 | 0.8 | 1 | 3.06 | 5.27 | 0.32 |
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.
| 2.2 |
| 5.53 |
| 5.78 |
| 2.5 | 3.93 | 3 | 3.05 | 1.07 | 1.33 | 4.07 | 7.07 | 0.43 | 2.95 | 7.33 | 7.81 |
| 3 | 5.91 | 4.5 | 4.57 | 1.62 | 1.98 | 6.09 | 10.62 | 0.65 | 4.43 | 10.98 | 11.72 |
| 3.5 | 7.9 | 6 | 6.07 | 2.22 | 2.58 | 8.1 | 14.2 | 0.88 | 5.93 | 14.6 | 15.71 |
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