Standard: ASME B 18.2
Available sizes: M10 to M8 (7 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 | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 4 | 50.8 |
| 60.79 |
| 34.70 |
| 55.00 |
| 53.80 |
| 0.8 |
| 0.4 |
| 63.51 |
| 33.10 |
| M3 | 0.6 | 5.1 | 6.58 | 3.30 | 6.00 | 5.82 | — | — | 6.93 | 3.00 |
| M3.5 | 0.8 | 7.0 | 8.79 | 5.10 | 8.00 | 7.78 | — | — | 9.24 | 4.80 |
| M4 | 1.25 | 11.6 | 14.38 | 7.50 | 13.00 | 12.73 | — | — | 15.01 | 7.14 |
| M5 | 1.5 | 14.6 | 17.77 | 9.30 | 16.00 | 15.73 | — | — | 18.48 | 8.94 |
| M6 | 2 | 19.4 | 23.36 | 14.10 | 21.00 | 20.67 | — | — | 24.25 | 13.40 |
| M8 | 2.5 | 27.9 | 32.95 | 20.30 | 30.00 | 29.16 | 0.8 | 0.4 | 34.64 | 19.00 |
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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