Standard: NAM 51474
Available sizes: M10 to M8 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 55 | 15.8 | 1 | 0.8 | 0.4 | 53 | 63.51 | 23.38 | 21.62 | 60.79 | 6 |
| M3 | 7 | 1.9 | 0.2 | 0.4 | 0.2 | 6.78 | 8.08 |
| 2.92 |
| 2.68 |
| 7.66 |
| 1.2 |
| M4 | 10 | 2.8 | 0.3 | 0.5 | 0.2 | 9.78 | 11.55 | 4.15 | 3.85 | 11.05 | 1.4 |
| M5 | 16 | 4.5 | 0.4 | 0.6 | 0.3 | 15.73 | 18.48 | 6.63 | 6.17 | 17.77 | 2 |
| M6 | 18 | 5.2 | 0.6 | 0.6 | 0.3 | 17.73 | 20.78 | 7.76 | 7.24 | 20.03 | 3 |
| M8 | 30 | 8.8 | 0.8 | 0.8 | 0.4 | 29.16 | 34.64 | 12.88 | 12.12 | 32.95 | 4 |
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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