Standard: DIN 1473 - 1978
Available sizes: Φ0.8 to Φ2 (5 sizes)
| Standard Body | Standard Number |
|---|---|
| EN | EN 28740 |
| GB | GB /T 13829.2 |
| DIN | DIN EN ISO 8740 |
| ISO | ISO 8740 |
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| Φ0.8 | 1 | 1.05 | 1.1 |
| 0.975 |
| 0.12 |
| 1 |
| 0.7 |
| 0.57 |
| 1.05 |
| Φ1 | 1.5 | 1.60 | 1.65 | 1.475 | 0.2 | 1.5 | 1.6 | 0.8 | 1.60 |
| Φ1.2 | 2.5 | 2.65 | 2.7 | 2.475 | 0.3 | 2.5 | 4.25 | 1.2 | 2.6 |
| Φ1.5 | 4 | 4.25 | 4.3 | 3.925 | 0.5 | 4 | 10.6 | 1.8 | 4.2 |
| Φ2 | 5 | 5.25 | 5.3 | 4.925 | 0.6 | 5 | 16.5 | 2 | 5.2 |
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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