Standard: ISO 4033 - 2023
Available sizes: (M7) to M8 (5 sizes)
| Standard Body | Standard Number |
|---|---|
| AS | AS 1112.2 |
| GB | GB /T 6175 |
| ISO | ISO 4033 |
| ANSI | ASME/ANSI B 18.2.4.2M |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M7) |
| 1.75 |
| 18 |
| 9.26 |
| 12 |
| 16.63 |
| 0.6 |
| 0.15 |
| 12 |
| 11.57 |
| 12.96 |
| 20.03 |
| M10 | 2.5 | 27 | 13.52 | 18 | 24.85 | 0.8 | 0.2 | 17.6 | 16.9 | 19.44 | 29.56 |
| M5 | 1 | 10 | 4.32 | 6 | 8.88 | 0.5 | 0.15 | 5.7 | 5.4 | 6.75 | 11.05 |
| M6 | 1.25 | 13 | 5.71 | 8 | 11.63 | 0.6 | 0.15 | 7.5 | 7.14 | 8.75 | 14.38 |
| M8 | 2 | 24 | 12.56 | 16 | 22.49 | 0.8 | 0.2 | 16.4 | 15.7 | 17.28 | 26.75 |
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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