Standard: JIS A 5541 - 2008
Available sizes: M10 to M8 (7 sizes)
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| M10 | 250 | 0.64 | 250.03 | 249.97 | 23 |
| M12 | 300 | 1.2 | 300.03 | 299.97 | 28 |
| M14 | 350 | 2.09 | 350.03 | 349.97 | 34 |
| M16 | 400 | 3.66 | 400.03 | 399.97 | 42 |
| M18 |
| 450 |
| 4.94 |
| 450.03 |
| 449.97 |
| 46 |
| M6 | 125 | — | 125.03 | 124.97 | 12 |
| M8 | 200 | 0.3 | 200.03 | 199.97 | 17 |
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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