Standard: BS 1802
Available sizes: 1/4 to 5/32 (5 sizes)
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| 1/4 | 0.851 | 16 | 0.160 | 8 | 0.064 |
| 1/8 | 0.300 | 21 | 0.064 | 16 | 0.032 |
| 3/16 | 0.694 | 18 | 0.144 | 9 | 0.048 |
| 5/16 | 1.008 | 16 | 0.192 | 6 | 0.064 |
| 5/32 | 0.513 | 19 | 0.116 | 11 | 0.040 |
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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