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 | 0.026 | 0.045 | 0.044 | 0.033 | 64 | 0.026 | 0.075 | / | 0.019 | 0 |
| 1# | 0.0990 | 0.035 | 0.055 | 0.053 | 0.040 | 48 | 0.035 |
| 0.102 |
| / |
| 0.027 |
| 1 |
| 2# | 0.1250 | 0.035 | 0.063 | 0.063 | 0.047 | 40 | 0.043 | 0.147 | 0.142 | 0.035 | 2 |
| 3# | 0.1640 | 0.064 | 0.090 | 0.077 | 0.058 | 32 | 0.054 | 0.171 | 0.164 | 0.045 | 2 |
| 4# | 0.1900 | 0.082 | 0.108 | 0.087 | 0.065 | 24 | 0.060 | 0.188 | 0.182 | 0.050 | 2 |
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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