Standard: JIS E 1107 - 2008
Available sizes: A30-M18N to B50-M24N (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| A30-M18N | M18 | 27 | 26.2 | 18 | 18.9 | 17.1 | 31.2 |
| A37-M18N | M18 | 27 | 26.2 | 18 | 18.9 | 17.1 | 31.2 |
| A50-M24N | M20 | 30 | 29.2 | 16 | 16.9 | 15.1 | 34.6 |
| B30-M18N | M24 | 36 |
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.
| 35 |
| 24 |
| 25 |
| 23 |
| 41.6 |
| B37-M18N | M20 | 30 | 29.2 | 20 | 21 | 19 | 34.6 |
| B50-M24N | M20 | 30 | 29.2 | 16 | 16.9 | 15.1 | 34.6 |
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