Standard: DIN 555 - 1987
Available sizes: M10 to M8 (7 sizes)
| Standard Body | Standard Number |
|---|---|
| AS | AS 1112.3 |
| GB | GB /T 41 |
| IS | IS 1363(-3) |
| DIN | DIN EN ISO 4034 |
| ISO | ISO 4034 |
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 2.5 | 80.2 | 18.9 | 17.1 | 29.5 | 35.03 | 32 | 31 | 18 | 13.7 |
| M12 | 3 | 154 | 23.05 | 20.95 | 38 | 45.2 | 41 | 40 | 22 | 16.8 |
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.
| M16 | 3.5 | 271 | 27.05 | 24.95 | 46.5 | 55.37 | 50 | 49 | 26 | 20 |
| M20 | 4 | 369 | 30.05 | 27.95 | 51.1 | 60.79 | 55 | 53.8 | 29 | 22.4 |
| M5 | 1 | 2.32 | 5.6 | 4.4 | 8.7 | 10.89 | 10 | 9.64 | 5 | 3.5 |
| M6 | 1.5 | 10.9 | 8.75 | 7.25 | 15.5 | 18.72 | 17 | 16.57 | 8 | 5.8 |
| M8 | 2 | 30.8 | 13.9 | 12.1 | 22 | 26.17 | 24 | 23.16 | 13 | 9.7 |
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