Standard: ANSI 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 | 0.079 | 0.089 | 0.130 | 0.053 | 0.077 | 0.066 | 0.025 | 0.005 | 0.142 | 0.044 |
| 1# | 24 | 0.113 | 0.125 | 0.180 | 0.071 | 0.103 | 0.092 |
| 0.037 |
| 0.010 |
| 0.193 |
| 0.062 |
| 2# | 20 | 0.145 | 0.159 | 0.231 | 0.089 | 0.129 | 0.118 | 0.044 | 0.015 | 0.245 | 0.079 |
| 3# | 16 | 0.175 | 0.190 | 0.281 | 0.106 | 0.155 | 0.144 | 0.049 | 0.015 | 0.296 | 0.096 |
| 4# | 15 | 0.192 | 0.207 | 0.306 | 0.115 | 0.168 | 0.157 | 0.052 | 0.015 | 0.322 | 0.105 |
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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