Irwin Bi-Metal Hole Saws 5-1/2"
Bi-Metal Hole Saws Features:
Variable depth gullets provide more efficient chip clearance
4/6 Variable pitch teeth for reduced noise and improved performance
Electron beam weld for stronger, longer lasting teeth
Bi-metal construction for toughness and long life
Variable depth gullets provide more efficient chip clearance
4/6 Variable pitch teeth for reduced noise and improved performance
Electron beam weld for stronger, longer lasting teeth
Bi-metal construction for toughness and long life
