Standard: JIS B 1184 - 1994
Available sizes: M2 to M3 (4 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M2 | 4 | 3 | 10.5 | 6 | 2 | 12 | 4.5 | 2.5 | 13.5 | 7.5 |
| M2.2 | 5 | 3 | 14.5 | 8 | 3 | 16 | 6.5 | 2.5 | 17.5 | 9.5 |
| M2.5 | 8.5 | 4.5 |
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.
| 23.5 |
| 12 |
| 5 |
| 25 |
| 10.5 |
| 3.5 |
| 26.5 |
| 13.5 |
| M3 | 14 | 5.5 | 38 | 20 | 8 | 40 | 18.5 | 4.5 | 42 | 21.5 |
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