Standard: ISO 4015 - 2022
Available sizes: (M3.5) to M8 (7 sizes)
| Standard Body | Standard Number |
|---|---|
| EN | EN 24015 |
| GB | GB 5784 |
| DIN | DIN EN 24015 |
| ISO | ISO 4015 |
| ANSI | ANSI/ASME B 18.2.3.2M |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|
| (M3.5) | 0.8 | 2.28 | 3.26 | 4.4 | 7.06 | 16 | / | 3.5 | 3.74 | 5.7 | 8.63 |
| (M7) | 2.5 | 7.81 | 11.15 | 16.3 | 24.85 | 42 | 48 | 11.5 | 11.85 | 20.2 | 29.56 |
| M3 | 0.6 | 1.54 | 2.2 | 3.05 | 5.22 | 13 | / | 2.4 | 2.6 | 4.1 | 6.44 |
| M4 | 1 | 3.19 | 4.56 | 6.2 | 9.47 | 20 | / | 4.8 | 5.04 | 7.8 | 11.94 |
| M5 | 1.5 | 4.28 | 6.11 | 8.9 | 14.47 | 26 | / | 6.4 | 6.69 | 11.2 | 17.59 |
| M6 | 2 | 5.96 | 8.51 | 12.5 | 19.15 | 34 | 40 | 8.8 | 9.09 | 15.7 | 22.78 |
| M8 | 2.5 | 8.51 | 12.15 | 18.2 | 27.7 | 46 | 52 | 12.5 | 12.85 | 22.4 | 32.95 |
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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