Standard: JIS B 2804
Available sizes: (13) to 16 (7 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| (13) | 18.3 | 3.8 | 1.05 | 0.95 | 18.5 | 18.1 | 2 | 9 | 1 | 1.7 |
| (15) | 23.5 | 4.1 | 1.05 | 0.95 | 23.7 | 23.3 | 2.5 | 13 | 1 | 2 |
| 10 | 11.8 | 3.2 |
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 |
| 11.98 |
| 11.62 |
| 1.8 |
| 4 |
| 1 |
| 1.2 |
| 11 | 14.1 | 3.5 | 1.05 | 0.95 | 14.28 | 13.92 | 1.8 | 6 | 1 | 1.5 |
| 12 | 16.2 | 3.6 | 1.05 | 0.95 | 16.38 | 16.02 | 2 | 8 | 1 | 1.7 |
| 14 | 20.5 | 4 | 1.05 | 0.95 | 20.7 | 20.3 | 2.5 | 11 | 1 | 2 |
| 16 | 25.9 | 4.3 | 1.26 | 1.14 | 26.1 | 25.7 | 2.5 | 15 | 1.2 | 2 |
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