Standard: NF E 25
Available sizes: M3 to M8 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| M3 | 0.70 | 2.6 | 7 | 14 | / | 3.0 | 6.64 |
| M4 | 1.00 | 3.76 | 10 | 18 | / | 4.24 | 9.64 |
| M5 | 1.50 | 6.11 | 16 | 26 | 32 | 6.69 | 15.57 |
| M6 | 2.0 | 8.51 | 21 | 34 | 40 | 9.09 | 20.16 |
| M8 | 2.5 | 12.15 | 30 | 46 | 52 | 12.85 | 29.16 |
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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