Standard: NF E 27
Available sizes: M10 to M8 (7 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 14 |
| NF | NF E 27-351 |
| DIN | DIN 603 |
| ISO | ISO 8677 |
| UNI | UNI 5732 |
| ANSI | ANSI/ASME B 18.5.2.3M |
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| M10 | 2.5 | 14 | 44 | 13 | 20 |
| M12 | 3 | 16.8 | 52 | 15 | 24 |
| M14 | 3.5 | 21 | 64 | 19 | 30 |
| M5 | 1 | 4.2 | 16 | 3.5 | 6 |
| M6 | 1.25 | 5.6 |
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.
| 20 |
| 4.5 |
| 8 |
| M7 | 1.75 | 8.4 | 28 | 7 | 12 |
| M8 | 2 | 11.2 | 36 | 11 | 16 |
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