Standard: JIS E 1107 - 2008
Available sizes: A50 to B50 (3 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| A50 | M24 | 150 | 16.5 | 15.5 | 50.5 | 49.5 | 71 | 65 | 25 | 8 |
| B40N | M20 | 135 | 14.5 | 13.5 | 42.5 | 41.5 | 61 | 55 | 20 | 7 |
| B50 | M20 | 135 |
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.
| 14.5 |
| 13.5 |
| 42.5 |
| 41.5 |
| 51 |
| 45 |
| 20 |
| 7 |
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