Standard: ISO 10510
Available sizes: ST2.2 to ST4.8 (5 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 9074.18(S2) |
| DIN | DIN EN ISO 10510(S2) |
| ISO | ISO 10510(S2) |
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| ST2.2 | 1.1 | 1 | 7 | 1.1 | 2.4 | 9 |
| 2.8 |
| 2.15 |
| 1 |
| ST2.9 | 1.4 | 1 | 9 | 1.4 | 3.1 | 12 | 4.03 | 2.8 | 1 |
| ST3.5 | 1.8 | 1.6 | 12 | 1.8 | 4 | 15 | 5.22 | 3.7 | 1.6 |
| ST4.2 | 2.1 | 1.6 | 16 | 2.1 | 6 | 24 | 7.76 | 5.6 | 2 |
| ST4.8 | 2.1 | 2 | 20 | 2.1 | 7.5 | 30 | 9.43 | 7.1 | 2.5 |
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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