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 | 0.025 | 0.030 | 0.053 | 0.044 | 64 | 0.142 | T6 | 0.069 | 0.130 | 0.005 |
| 1# | 0.0990 | 0.033 | 0.038 | 0.071 | 0.062 | 48 | 0.193 | T8 |
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.
| 0.094 |
| 0.180 |
| 0.010 |
| 2# | 0.1250 | 0.045 | 0.055 | 0.089 | 0.079 | 40 | 0.245 | T10 | 0.111 | 0.231 | 0.015 |
| 3# | 0.1640 | 0.055 | 0.070 | 0.115 | 0.105 | 32 | 0.322 | T20 | 0.155 | 0.306 | 0.015 |
| 4# | 0.2160 | 0.070 | 0.085 | 0.151 | 0.139 | 24 | 0.425 | T27 | 0.200 | 0.407 | 0.025 |
| 5# | 0.3125 | 0.105 | 0.120 | 0.218 | 0.203 | 18 | 0.615 | T40 | 0.266 | 0.594 | 0.040 |
| 6# | 0.4375 | 0.144 | 0.159 | 0.305 | 0.284 | 14 | 0.863 | T50 | 0.352 | 0.837 | 0.050 |
| 8# | 0.5000 | 0.165 | 0.180 | 0.348 | 0.325 | 13 | 0.987 | T55 | 0.446 | 0.958 | 0.055 |
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