Standard: JIS B 1186
Available sizes: 12 to 22 (4 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 12 | 2 | 27 | 26.2 | 16 | 16.35 | 25 | 25 | 15.65 | 0.4~0.8 |
| 16 | 2.5 | 36 | 35 | 22 | 22.4 | 34 | 33 | 21.6 | 0.4~0.8 |
| 20 |
| 3 |
| 46 |
| 45 |
| 27 |
| 27.4 |
| 44 |
| 43 |
| 26.6 |
| 0.4~0.8 |
| 22 | 3.5 | 50 | 49 | 30 | 30.4 | 48 | 47 | 29.6 | 0.4~0.8 |
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.
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