Standard: JIS B 2804
Available sizes: (11) to 17 (7 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| (11) | 12.9 | 22 | 1.05 | 0.95 | 13.08 | 12.72 | 3.4 | 2 | 1 | 1.7 |
| 10 | 10.2 | 18 | 1.05 | 0.95 | 10.35 | 10.05 | 3.1 | 1.8 | 1 | 1.2 |
| 12 | 14.7 | 24 |
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.
| 1.05 |
| 0.95 |
| 14.88 |
| 14.52 |
| 3.6 |
| 2.2 |
| 1 |
| 1.7 |
| 14 | 16.5 | 26 | 1.26 | 1.14 | 16.68 | 16.32 | 3.8 | 2.6 | 1.2 | 1.7 |
| 15 | 18.5 | 28 | 1.26 | 1.14 | 18.7 | 18.3 | 3.9 | 2.7 | 1.2 | 2 |
| 16 | 22.2 | 33 | 1.26 | 1.14 | 22.4 | 22 | 4.2 | 3.1 | 1.2 | 2 |
| 17 | 23.2 | 34 | 1.26 | 1.14 | 23.4 | 23 | 4.3 | 3.1 | 1.2 | 2 |
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