Standard: JIS B 1213
Available sizes: Φ2 to Φ3 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| Φ2 | 2.39 | 1 | 0.8 | 2.28 | 4.6 | 4.3 |
| Φ2.3 | 2.7 | 1.1 | 0.9 | 2.57 | 5.2 | 4.9 |
| Φ2.5 | 3.64 | 1.4 | 1.1 | 3.46 | 7 | 6.6 |
| Φ2.6 | 4.68 | 1.9 | 1.5 | 4.45 | 9 | 8.5 |
| Φ3 |
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.
| 6.24 |
| 2.4 |
| 2 |
| 5.94 |
| 12 |
| 11.5 |
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