Standard: BS 4620
Available sizes: Φ1 to Φ2 (4 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| Φ1 | 1.27 | 0.9 | 0.7 | 1.13 | 2.3 | 1.9 |
| Φ1.2 | 2.07 | 1.44 | 1.2 | 1.93 | 3.74 | 3.26 |
| Φ1.6 | 3.07 | 2.04 | 1.8 | 2.93 | 5.54 | 5.06 |
| Φ2 | 4.09 | 2.69 | 2.4 | 3.91 | 7.29 | 6.71 |
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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