Standard: JIS B 1220 - 2010
Available sizes: M16 to M30 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| M16 | 22 | 4.5 (5) | 5 (5.5) | 22.8 | 40 | 39 | 4 (4.5) |
| M20 | 26 | 6 | 6.7 | 26.8 | 48 | 47 | 5.3 |
| M22 | 33 | 8 | 8.7 | 34 | 60 | 58.8 | 7.3 |
| M24 | 39 | 8 | 8.7 |
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.
| 40 |
| 66 |
| 64.8 |
| 7.3 |
| M27 | 45 | 8 | 8.7 | 46 | 78 | 76.8 | 7.3 |
| M30 | 52 | 8 | 8.7 | 53.2 | 92 | 90.6 | 7.3 |
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