Standard: ISO 10511 - 1997
Available sizes: M10 to M8 (7 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 6172.2 |
| NF | NF E 25-412 |
| DIN | DIN 985 |
| ISO | ISO 10511 |
| UNI | UNI 7474 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|
| M10 | 3.5 | 45 | 46 | 50.85 | 22.2 | 32.4 | 30 | 13.9 | 11.12 | 42.8 | 20.1 |
| M12 | 4 | 53.8 | 55 | 60.79 | 25.5 | 38.9 | 36 | 16.9 | 13.52 | 51.1 | 23.4 |
| M3 | 0.7 | 6.78 | 7 | 7.66 | 5 | 4.6 | 4 | 1.95 | 1.56 | 5.9 | 4.52 |
| M4 | 1 | 9.78 | 10 | 11.05 | 6 | 6.75 | 6 | 2.9 | 2.32 | 8.9 | 5.52 |
| M5 | 1.5 | 15.73 | 16 | 17.77 | 8.56 | 10.8 | 10 | 4.7 | 3.76 | 14.6 | 7.98 |
| M6 | 2 | 20.67 | 21 | 23.35 | 11.32 | 15.1 | 14 | 6.42 | 5.14 | 19.6 | 10.22 |
| M8 | 2.5 | 29.16 | 30 | 32.95 | 14.9 | 21.6 | 20 | 9.1 | 7.28 | 27.7 | 13.1 |
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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