M42 Cobalt 8% High Speed Steel
M42 Cobalt 8% High Speed Steel
This kind of HSS is suitable for tools subject to server mechanical wear particularly suitable for die sinking cutters. milling cutters and components of engraving machines including gravers as well as tool bits in automatic lathers. Also suitable for non-cutting shaping.
M42 Cobalt 8% High Speed Steel can be used for making Fully ground twist drill bits. M42 drill bits are specialized on cutting stainless steel.
Chemical Composition:
| Grade | C | W | Mo | Cr | V | Co | Mn | Si | P | S | |
| M42 | 1.10 | 1.50 | 9.50 | 3.875 | 1.15 | 8.25 | 0.27 | 0.40 | <=0.03 | <=0.02 |