Standard: BS 2470 - 1973
Available sizes: 0# to 3# (4 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 0# | 0.0730 | 0.050 | 0.031 | 0.0695 | 0.168 | 0.057 | 0.143 | 0.625 |
| 1# | 0.0990 | 1/16 | 0.044 | 0.0949 | 0.226 | 0.075 | 0.193 | 0.625 |
| 2# | 0.1250 | 5/64 | 0.061 |
| 0.1202 |
| 0.281 |
| 0.093 |
| 0.240 |
| 0.750 |
| 3# | 0.1640 | 3/32 | 0.076 | 0.1585 | 0.359 | 0.116 | 0.311 | 0.875 |
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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