Standard: GB /T 6176 - 2000
Available sizes: M10 to M8 (4 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 6176 |
| DIN | DIN EN ISO 8674 |
| ISO | ISO 8674 |
| UNI | UNI 5587 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 1.5 |
| 24 |
| 12.56 |
| 16.00 |
| 22.49 |
| 0.80 |
| 0.20 |
| 16.4 |
| 15.7 |
| 17.30 |
| 26.75 |
| M12 | 2 | 36 | 18.08 | 24.00 | 33.25 | 0.80 | 0.20 | 23.9 | 22.6 | 25.90 | 39.55 |
| M16 | 3 | 55 | 26.48 | 36.00 | 51.11 | 0.80 | 0.20 | 34.7 | 33.1 | 38.90 | 60.79 |
| M8 | 1 | 16 | 7.15 | 10.00 | 14.63 | 0.60 | 0.15 | 9.3 | 8.94 | 10.80 | 17.77 |
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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