Standard: ANSI B 18.1
Available sizes: 1/16 to 7/32 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 1/16 | 0.096 | 0.060 | 0.048 | 0.090 | 0.173 | 0.080 | 0.326 | 0.153 | 0.030 |
| 1/4 | 0.443 | 0.261 | 0.239 | 0.428 | 0.772 | 0.372 | 1.500 | 0.728 | 0.137 |
| 1/8 |
| 0.222 |
| 0.133 |
| 0.119 |
| 0.213 |
| 0.391 |
| 0.186 |
| 0.754 |
| 0.365 |
| 0.069 |
| 3/16 | 0.348 | 0.206 | 0.186 | 0.336 | 0.608 | 0.292 | 1.176 | 0.570 | 0.108 |
| 3/32 | 0.158 | 0.096 | 0.082 | 0.152 | 0.279 | 0.133 | 0.535 | 0.257 | 0.049 |
| 5/32 | 0.285 | 0.170 | 0.152 | 0.273 | 0.499 | 0.239 | 0.963 | 0.465 | 0.088 |
| 7/32 | 0.411 | 0.243 | 0.221 | 0.396 | 0.719 | 0.345 | 1.392 | 0.675 | 0.127 |
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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