BÖHLER S630 – “The economical one”
Tungsten-molybdenum high-speed steel with aluminum alloy for great toughness and good machinability. Universally usable for taps and twist drills, reamers, metal saws, mills of all types, and woodworking tools.

Chemical Analysis
| C | Cr | Mo | V | W |
|---|---|---|---|---|
| 0.90 | 4.10 | 5.00 | 1.80 | 6.20 |