Standard: JIS B 1554
Available sizes: 10 to 25 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| 10 | AN01 | 3 | 2 | 17 | 22 | 4 | 18 |
| 12 | AN03 | 4 | 2 | 24 | 28 | 5 | 24 |
| 15 | AN/22 | 4 | 2 | 28 | 34 | 6 | 30 |
| 17 | AN/28 | 5 | 2 | 36 |
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.
| 42 |
| 7 |
| 38 |
| 20 | AN32 | 5 | 2 | 40 | 48 | 8 | 44 |
| 22 | AN08 | 6 | 2.5 | 50 | 58 | 9 | 53 |
| 25 | AN10 | 6 | 2.5 | 61 | 70 | 11 | 65 |
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