Standard: ASME B 18.8
Available sizes: 1/16 to 9/64 (8 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/16 | 0.078 | 460 | 800 | 0.032 | 0.008 | 0.086 | 0.083 | 0.081 | 0.078 | 0.075 | 0.018 |
| 1/8 | 0.219 | 3400 | 5850 | 0.065 | 0.011 | 0.232 | 0.226 | 0.224 | 0.219 | 0.214 | 0.048 |
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.
| 3/16 | 0.625 | 18800 | 46000 | 0.125 | 0.030 | 0.653 | 0.640 | 0.636 | 0.625 | 0.608 | 0.125 |
| 3/32 | 0.156 | 1600 | 2750 | 0.048 | 0.010 | 0.167 | 0.162 | 0.160 | 0.156 | 0.151 | 0.032 |
| 5/32 | 0.438 | 11500 | 19800 | 0.095 | 0.017 | 0.459 | 0.448 | 0.445 | 0.437 | 0.430 | 0.077 |
| 5/64 | 0.125 | 1090 | 1875 | 0.044 | 0.008 | 0.135 | 0.131 | 0.129 | 0.125 | 0.122 | 0.028 |
| 7/32 | 0.750 | 23200 | 66000 | 0.150 | 0.030 | 0.784 | 0.769 | 0.764 | 0.750 | 0.730 | 0.150 |
| 9/64 | 0.312 | 6300 | 10800 | 0.080 | 0.014 | 0.330 | 0.321 | 0.318 | 0.312 | 0.306 | 0.062 |
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