Standard: DIN 7977 - 1977
Available sizes: 10 to 8 (6 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 881 |
| DIN | DIN EN 28737 |
| ISO | ISO 8737 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 2 | 4 | 12 | 35 | 6 | 20 | 19.916 | 0.8 | 1.6 | 39 | M16 |
| 12 | 3 | 6 | 18 | 46 | 9 | 30 | 29.916 | 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.
| 2.5 |
| 52 |
| M24 |
| 14 | 4 | 9 | 28 | 70 | 12 | 50 | 49.9 | 1.6 | 4 | 78 | M36 |
| 5 | 1 | 1.5 | 4 | 18 | 3 | 6 | 5.952 | 0.4 | 0.6 | 20 | M6 |
| 6 | 1.5 | 2.5 | 7 | 24 | 4.5 | 10 | 9.942 | 0.5 | 1 | 27 | M10 |
| 8 | 1.75 | 3 | 8.5 | 30 | 6 | 14 | 13.93 | 0.6 | 1 | 33.5 | M12 |
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