Standard: JIS A 5540 - 2008
Available sizes: M10 to M8 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| M10 | D | 125 | 150 | D-HDZ | 14.66 | M16 | 14.41 | 117 |
| M12 | D | 150 | 175 | D-HDZ | 18.33 | M20 | 18.07 | 142 |
| M14 | D | 175 | 200 | D-HDZ |
| 22 |
| M24 |
| 21.69 |
| 167 |
| M16 | D | 200 | 225 | D-HDZ | 27.67 | M30 | 27.34 | 192 |
| M18 | D | 225 | 250 | D-HDZ | 30.67 | M33 | 30.34 | 217 |
| M6 | D | 63 | 88 | / | 7.16 | M8 | 6.97 | 55 |
| M8 | D | 100 | 125 | D-HDZ | 10.83 | M12 | 10.59 | 92 |
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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