Standard: JIS B 1358 - 1990
Available sizes: 10 to 8 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | M20 | 5 | 5.3 | 7.5 | 45 | 2.5 | 25 | 15 | 14.5 | 24.916 | 40 |
| 12 | M30 | 7 | 7.5 | 10.5 | 65 | 3.5 | 40 | 23 |
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.
| 22.5 |
| 39.9 |
| 58 |
| 16 | M36 | 9 | 9.4 | 12 | 78 | 4 | 50 | 28 | 27.5 | 49.9 | 70 |
| 5 | M6 | 1.5 | 1.75 | 3 | 20 | 1 | 6 | 4 | 3.7 | 5.952 | 18 |
| 6 | M10 | 2.5 | 2.75 | 4.5 | 27 | 1.5 | 10 | 7 | 6.6 | 9.942 | 24 |
| 8 | M16 | 4 | 4.3 | 6 | 39 | 2 | 16 | 12 | 11.5 | 15.93 | 35 |
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