MUSHROOM & WOOD DRILL
Material Sheet
| China |
European |
American |
Japanese |
HRC |
| HSS6542 |
HSS |
M2 |
SKH-51 |
63-65 |
| HSS Co5 |
HSS-E |
M35 |
SKH-55 |
64-66 |
HSS Co5 is a development of HSS6542 and contains 5% cobalt which gives improved hardness,
wear resistance and red hardness. It may be used when cutting higher strength materials.
Application
· For drilling holes to fit threads.