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# | 28 | 0.033 | 0.052 | 0.122 | 0.061 | 0.077 | 0.066 | 0.082 | 0.069 | 0.138 | 0.051 |
| 1# | 24 | 0.052 | 0.073 | 0.169 | 0.078 | 0.103 | 0.092 |
| 0.122 |
| 0.109 |
| 0.187 |
| 0.067 |
| 2# | 20 | 0.046 | 0.074 | 0.217 | 0.095 | 0.129 | 0.118 | 0.154 | 0.141 | 0.236 | 0.083 |
| 3# | 16 | 0.066 | 0.092 | 0.264 | 0.111 | 0.155 | 0.144 | 0.170 | 0.157 | 0.285 | 0.099 |
| 4# | 15 | 0.075 | 0.101 | 0.287 | 0.120 | 0.168 | 0.157 | 0.178 | 0.165 | 0.309 | 0.107 |
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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