Irwin 373412BX Bi-Metal Hole Saw 4-1/2"
Description
Highlights :-
- Variable depth gullets for chip clearance
- Cut: aluminum, copper, iron, steel, wood, zinc
- Sharp, variable tooth design for fast cutting
- Bi-metal construction for toughness and long life
- Electron beam weld for stronger, longer lasting teeth
- Variable depth gullets provide more efficient chip clearance
- 4/6 Variable pitch teeth for reduced noise and improved performance.
