Standard: NF E 25
Available sizes: M3 to M5 (3 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| M3 | 0.7 | 8.52 | 3.01 | 38 | 10.02 | 1.69 | 1.3 | 9.02 | T20 |
| M4 | 1 | 12.46 | 4.22 | 38 | 14.44 | 2.22 | 1.83 | 13.2 | T30 |
| M5 |
| 1.5 |
| 20.49 |
| 6.5 |
| 38 |
| 23 |
| 3.3 |
| 2.91 |
| 21.3 |
| T50 |
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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