Standard: ISO 7719 - 1997
Available sizes: (M14) to M8 (7 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 6184 |
| DIN | DIN EN ISO 7719 |
| ISO | ISO 7719 |
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| (M14) | 3.5 | 45 | 50.85 | 26.9 | 32.4 |
| 30 |
| 19.44 |
| 46 |
| 42.75 |
| 24.3 |
| M10 | 2.5 | 26.16 | 29.56 | 17 | 19.5 | 18 | 12.08 | 27 | 24.9 | 15.01 |
| M12 | 2.5 | 33 | 37.29 | 21 | 23.7 | 22 | 14.5 | 34 | 31.4 | 18.1 |
| M16 | 4 | 53.8 | 60.79 | 32.5 | 38.9 | 36 | 23.52 | 55 | 51.11 | 29.4 |
| M5 | 1 | 9.78 | 11.05 | 5.9 | 6.75 | 6 | 3.92 | 10 | 8.88 | 5.4 |
| M6 | 1.5 | 15.73 | 17.77 | 9 | 10.8 | 10 | 6.43 | 16 | 14.63 | 8.04 |
| M8 | 2 | 20.67 | 23.36 | 13.2 | 15.1 | 14 | 9.68 | 21 | 19.64 | 12.1 |
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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