Standard: ASME B 18.6
Available sizes: 0# to 8# (8 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0# | 0.0730 | 0.067 | 0.016 | 0.053 | 0.044 | 64 | 0.142 | 0.019 | 0.027 | 0.130 | 0.026 |
| 1# | 0.0990 | 0.105 | 0.023 | 0.071 | 0.062 | 48 | 0.193 |
| 0.027 |
| 0.036 |
| 0.180 |
| 0.035 |
| 2# | 0.1250 | 0.152 | 0.030 | 0.089 | 0.079 | 40 | 0.245 | 0.035 | 0.045 | 0.231 | 0.043 |
| 3# | 0.1640 | 0.175 | 0.041 | 0.115 | 0.105 | 32 | 0.322 | 0.045 | 0.058 | 0.306 | 0.054 |
| 4# | 0.2160 | 0.252 | 0.055 | 0.151 | 0.139 | 24 | 0.425 | 0.056 | 0.077 | 0.407 | 0.067 |
| 5# | 0.3125 | 0.343 | 0.076 | 0.218 | 0.203 | 18 | 0.615 | 0.072 | 0.106 | 0.594 | 0.084 |
| 6# | 0.4375 | 0.406 | 0.105 | 0.305 | 0.284 | 14 | 0.863 | 0.081 | 0.142 | 0.837 | 0.094 |
| 8# | 0.5000 | 0.428 | 0.118 | 0.348 | 0.325 | 13 | 0.987 | 0.091 | 0.161 | 0.958 | 0.106 |
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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