Standard: JIS B 2801 - 1996
Available sizes: 10 to 24 (8 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 15 | 3 | 22 | 11 | 7 | M14 | 10 | 9 | 8 | 60 | 5 |
| 12 | 19 | 4 | 27 | 15 | 9 | M18 | 14 |
| 12 |
| 11 |
| 80 |
| 6 |
| 14 | 24 | 5 | 36 | 18 | 10 | M24 | 17 | 13 | 14 | 97 | 7 |
| 16 | 30 | 6 | 46 | 23 | 12 | M30 | 22 | 16 | 18 | 120 | 8 |
| 18 | 34 | 6 | 50 | 25 | 12 | M33 | 22 | 16 | 20 | 134 | 8 |
| 20 | 38 | 6 | 55 | 27 | 12 | M36 | 27 | 19 | 21 | 151 | 8 |
| 22 | 42 | 8 | 65 | 32 | 15 | M42 | 32 | 23 | 25 | 170 | 10 |
| 24 | 46 | 8 | 70 | 34 | 15 | M45 | 32 | 23 | 27 | 179 | 10 |
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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