Standard: ASME B 18.13 - 2017
Available sizes: 4# to 8# (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4# | 0.1250 | 0.043 | 0.065 | 0.228 | 0.217 | 0.112 | 0.107 | 0.231 | 0.075 | 0.055 | 0.245 |
| 5# | 0.1510 | 0.048 | 0.079 | 0.267 | 0.254 | 0.135 | 0.130 |
| 0.281 |
| 0.089 |
| 0.062 |
| 0.296 |
| 6# | 0.1900 | 0.060 | 0.099 | 0.356 | 0.342 | 0.162 | 0.156 | 0.357 | 0.110 | 0.093 | 0.372 |
| 7# | 0.2500 | 0.075 | 0.130 | 0.465 | 0.449 | 0.217 | 0.209 | 0.473 | 0.144 | 0.120 | 0.492 |
| 8# | 0.3750 | 0.094 | 0.195 | 0.688 | 0.672 | 0.338 | 0.330 | 0.716 | 0.212 | 0.171 | 0.740 |
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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