Standard: DIN 7343 - 1969
Available sizes: Φ0.8 to Φ1.5 (4 sizes)
| Standard Body | Standard Number |
|---|---|
| EN | EN 28750 |
| GB | GB /T 879.4 |
| DIN | DIN EN ISO 8750 |
| ISO | ISO 8750 |
| ANSI | ANSI/ASME B 18.8.3M(S) |
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| Φ0.8 | 0.3 | 0.95 | 0.85 | 0.08 | 1.1 | 0.588 | 1.15 | 0.294 |
| Φ1 | 0.5 | 1.4 | 1.3 | 0.13 | 1.62 | 1.4308 | 1.72 | 0.7154 |
| Φ1.2 | 0.8 | 2.35 | 2.2 | 0.21 | 2.65 |
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.
| 3.8024 |
| 2.8 |
| 1.9012 |
| Φ1.5 | 1.2 | 3.35 | 3.15 | 0.29 | 3.67 | 7.3892 | 3.84 | 3.6946 |
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