Standard: JIS B 2801 - 1996
Available sizes: 10 to 8 (8 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 16 | 0.74 | 20 | M18 | 16 | 26 | / | 0.74 | 40 | 64 |
| 12 | 20 | 1.55 | 25 | M24 | 20 | 31 | / | 1.33 | 50 | 80 |
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 |
| 24 |
| 1.87 |
| 31 |
| M30 |
| 24 |
| 39 |
| / |
| 1.74 |
| 62 |
| 96 |
| 16 | 28 | 3.52 | 35 | M33 | 28 | 43 | / | 3.49 | 70 | 112 |
| 18 | 32 | 5.57 | 39 | M36 | 32 | 48 | / | 6.18 | 80 | 128 |
| 20 | 36 | 7.82 | 43 | M42 | 36 | 54 | 7.99 | 9.35 | 90 | 144 |
| 6 | 8 | 0.09 | 11 | M10 | 8 | 14 | / | / | 21 | 32 |
| 8 | 12 | 0.31 | 16 | M14 | 12 | 20 | / | 0.31 | 32 | 48 |
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