Standard: ANSI B 18.6
Available sizes: (1#) to 4# (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| (1#) | 0.193 | 0.035 | 0.027 | 0.18 | 0.06 | 0.026 | 0.051 | 0.036 |
| (3#) | 0.322 | 0.054 | 0.045 | 0306 | 0.096 | 0.045 | 0.085 | 0.058 |
| 0# | 0.142 | 0.026 | 0.019 | 0.13 | 0.046 |
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.
| 0.018 |
| 0.038 |
| 0.027 |
| 2# | 0.245 | 0.043 | 0.035 | 0.231 | 0.075 | 0.034 | 0.065 | 0.045 |
| 4# | 0.373 | 0.06 | 0.05 | 0.357 | 0.11 | 0.053 | 0.099 | 0.068 |
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