Standard: NF E 25
Available sizes: M10 to M8 (7 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 6185.1 |
| NF | NF E 25-410 |
| DIN | DIN EN ISO 7042 |
| ISO | ISO 7042 |
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| M10 | 2.5 | 27 | 17 | 15.01 | 26.16 |
| M12 | 2.5 | 34 |
| 21 |
| 18.1 |
| 33 |
| M14 | 3.5 | 46 | 26.9 | 24.3 | 45 |
| M16 | 4 | 55 | 35.2 | 29.4 | 53.8 |
| M5 | 1 | 10 | 5.9 | 5.4 | 9.78 |
| M6 | 1.5 | 16 | 9 | 8.04 | 15.73 |
| M8 | 2 | 21 | 13.2 | 12.1 | 20.67 |
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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