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.
| Compressive strength | Grindability | Red hardness | Toughness | Wear resistance |
|---|---|---|---|---|
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| SEL | EN | AISI |
|---|---|---|
| 1.3326 | HS1-4-2 | M52 |
| EN ISO | ASTM |
|---|---|
| 4957 | A600 |
| C | Si | Mn | Cr | Mo | V | W | |
|---|---|---|---|---|---|---|---|
| 0.89 | 0.30 | 0.30 | 3.80 | 4.30 | 1.80 | 1.00 |
