Standard: JIS B 1215
Available sizes: Φ1.2 to Φ3 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Φ1.2 | 1.62 | 0.08 | 1.3 | 0.5 | 0.3 | 1.55 | 3 | 1.06 | 1.5 | 2.7 | 1.14 |
| Φ1.6 | 2.52 | 0.2 | 2.15 | 1 | 0.8 | 2.42 | 4.6 | 1.63 | 2.45 | 4.3 | 1.77 |
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.
| Φ2 | 4.02 | 0.3 | 3.4 | 1.55 | 1.25 | 3.9 | 7.2 | 2.7 | 3.8 | 6.8 | 2.9 |
| Φ2.5 | 6.02 | 0.4 | 5.1 | 2.3 | 1.9 | 5.88 | 10.5 | 4.08 | 5.7 | 9.9 | 4.32 |
| Φ3 | 8.02 | 0.4 | 6.9 | 3 | 2.6 | 7.85 | 13.5 | 5.48 | 7.5 | 12.9 | 5.72 |
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