BÖHLER S404 – “The discounter”
This very economical class is primarily used for spiral drill bits and has a nearly unbeatable ratio of price to performance.
Economic molybdenum high-speed steel
| Compressive strength | Grindability | Through hardenable | Toughness | Wear resistance |
|---|---|---|---|---|
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| DIN | EN |
|---|---|
| 1.3326 | HS1-4-2 |
| C | Si | Mn | Cr | Mo | V | W | |
|---|---|---|---|---|---|---|---|
| 0.89 | 0.30 | 0.30 | 4.10 | 4.50 | 1.90 | 1.20 |
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