Standard: AS 1237.1 - 2002
Available sizes: Φ1.6 to Φ4.5 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| Φ1.6 | 2.2 | 0.5 | 0.5 | 2.4 | 6 | 6 |
| Φ2 | 3.2 | 0.8 | 0.8 | 3.4 | 9 | 9 |
| Φ2.5 | 4.3 | 1 | 1 | 4.5 | 12 | 12 |
| Φ3 | 5.3 | 1.2 | 1.2 |
| 5.5 |
| 15 |
| 15 |
| Φ3.5 | 7.4 | 2 | 2 | 7.6 | 22 | 22 |
| Φ4 | 10.5 | 2.5 | 2.5 | 11 | 30 | 30 |
| Φ4.5 | 15 | 3 | 3 | 15.5 | 44 | 44 |
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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