Standard: ASME B 18.6
Available sizes: 0# to 4# (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0# | 0.0730 | 0.149 | 0.164 | 0.063 | 0.038 | 64 | 0 | 0.038 | 0.022 | 0.064 | 0.020 |
| 1# | 0.0990 | 0.211 | 0.226 | 0.098 | 0.059 | 48 | 1 |
| 0.056 |
| 0.040 |
| 0.103 |
| 0.042 |
| 2# | 0.1250 | 0.272 | 0.289 | 0.117 | 0.078 | 40 | 1 | 0.075 | 0.059 | 0.121 | 0.060 |
| 3# | 0.1640 | 0.364 | 0.384 | 0.155 | 0.088 | 32 | 2 | 0.079 | 0.061 | 0.166 | 0.063 |
| 4# | 0.1900 | 0.425 | 0.448 | 0.171 | 0.104 | 24 | 2 | 0.095 | 0.077 | 0.181 | 0.079 |
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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