Standard: JIS A 5542
Available sizes: M12 to M18 (4 sizes)
| Size | P | s_max | s_min | k_nominal |
|---|---|---|---|---|
| M12 | 12.65 | 12.46 | 115 | 50 |
| M14 | 16.33 | 16.11 | 140 | 55 |
| M16 | 20.33 | 20.11 | 165 | 60 |
| M18 | 21.99 | 21.77 | 175 | 70 |
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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