Standard: ANSI B 18.6
Available sizes: 10# to 8# (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10# | 0.3750 | 0.630 | 0.430 | 0.580 | 0.550 | 16 | 1.890 | 0.170 | 0.440 | 1.860 | 0.200 |
| 5# | 0.1380 | 0.260 | 0.190 | 0.250 | 0.230 | 32 | 0.820 | 0.080 | 0.210 | 0.800 | 0.090 |
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.
| 6# | 0.1900 | 0.360 | 0.280 | 0.280 | 0.270 | 24 / 32 | 1.010 | 0.090 | 0.290 | 0.990 | 0.110 |
| 8# | 0.2500 | 0.440 | 0.370 | 0.320 | 0.310 | 20 | 1.200 | 0.110 | 0.380 | 1.180 | 0.120 |
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