Standard: NF E 25
Available sizes: Φ1.5 to Φ5 (7 sizes)
| Size | P | s_max | s_min |
|---|---|---|---|
| Φ1.5 | 2.21 | 2.11 | 0.22 |
| Φ2 | 3.25 | 3.12 | 0.33 |
| Φ2.5 | 4.3 | 4.15 | 0.45 |
| Φ3 | 6.4 | 6.18 | 0.67 |
| Φ3.5 | 10.65 | 10.3 | 1.1 |
| Φ4 | 14.85 | 14.4 | 1.6 |
| Φ5 | 21 | 20.4 | 2.2 |
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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