Standard: DIN 981
Available sizes: M10 to M30 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| M10 | 1 | 3 | (2) | 22 | 17.0 | KM 1 | MB 1 | 4 | 18 |
| M12 | 1 | 4 | (2) | 28 | 24.0 | KM 3 | MB 3 | 5 | 24 |
| M15 |
| 1.5 |
| 5 |
| (2) |
| 38 |
| 32.0 |
| KM 5 |
| MB 5 |
| 7 |
| 34 |
| M17 | 1.5 | 5 | (2) | 52 | 44.0 | KM 7 | MB 7 | 8 | 48 |
| M20 | 1.5 | 6 | (2.5) | 65 | 56.0 | KM 9 | MB 9 | 10 | 60 |
| M25 | 2 | 7 | (3) | 75 | 67.0 | KM 11 | MB 11 | 11 | 69 |
| M30 | 2 | 7 | (3) | 85 | 79.0 | KM 13 | MB 13 | 12 | 79 |
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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