Standard: JIS B 2801 - 1996
Available sizes: 10 to 8 (8 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 16 | 0.93 | 0.93 | 40 | 20 | 18 | 26 | 80 | / | 45 | M18 |
| 12 | 20 | 2.15 | 1.93 | 50 | 25 | 23 | 31 | 104 |
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.
| / |
| 58 |
| M24 |
| 14 | 24 | 3.77 | 3.64 | 62 | 31 | 28 | 39 | 126 | / | 70 | M30 |
| 16 | 28 | 5.36 | 5.33 | 70 | 35 | 32 | 43 | 144 | / | 80 | M33 |
| 18 | 32 | 7.56 | 8.17 | 80 | 39 | 37 | 48 | 167 | / | 93 | M36 |
| 20 | 36 | 10.32 | 11.85 | 90 | 43 | 42 | 54 | 190 | 10.49 | 105 | M42 |
| 6 | 8 | 0.15 | / | 21 | 11 | 10 | 14 | 45 | / | 25 | M10 |
| 8 | 12 | 0.48 | 0.48 | 32 | 16 | 14 | 20 | 63 | / | 35 | M14 |
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