Standard: GB 2674 - 1986
Available sizes: M10 to M8 (4 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 2674 |
| DIN | DIN EN ISO 14584 |
| ISO | ISO 14584 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 2 | 3.62 | 4.1 |
| 29 |
| 28.5 |
| 4 |
| 48 |
| 8 |
| T60 |
| 32 |
| 4 |
| M12 | 2.5 | 5.42 | 6 | 36 | 35.4 | 5 | 48 | 10 | T80 | 40 | 5 |
| M6 | 1.25 | 2.1 | 2.5 | 15.8 | 15.4 | 2.5 | 38 | 4.65 | T40 | 17.3 | 2 |
| M8 | 1.75 | 3.02 | 3.5 | 22 | 21.5 | 3.5 | 48 | 6 | T55 | 24 | 3 |
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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