Standard: DIN 125
Available sizes: Φ1.7 to Φ3.7 (8 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 97.1 |
| DIN | DIN 125-1 |
| ISO | ISO 7089 |
| UNI | UNI 6592 |
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| Φ1.7 | M1.7 | 4.20 | 0.3 |
| 1.8 |
| 1.94 |
| 0.25 |
| 0.031 |
| 4.5 |
| 0.35 |
| Φ1.8 | M2.3 | 5.70 | 0.5 | 2.5 | 2.64 | 0.45 | 0.092 | 6 | 0.55 |
| Φ2.2 | M2.6 | 6.64 | 0.5 | 2.8 | 2.94 | 0.45 | 0.127 | 7 | 0.55 |
| Φ2.5 | M3.5 | 7.64 | 0.5 | 3.7 | 3.88 | 0.45 | 0.155 | 8 | 0.55 |
| Φ2.7 | M5 | 9.64 | 1 | 5.3 | 5.48 | 0.9 | 0.443 | 10 | 1.1 |
| Φ2.8 | M7 | 13.57 | 1.6 | 7.4 | 7.62 | 1.4 | 1.39 | 14 | 1.8 |
| Φ3.2 | M10 | 19.48 | 2 | 10.5 | 10.77 | 1.8 | 3.57 | 20 | 2.2 |
| Φ3.7 | M14 | 27.48 | 2.5 | 15 | 15.27 | 2.3 | 8.62 | 28 | 2.7 |
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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