1-3/8 Irwin Bi-Metal Hole Saw (373138BX)

1-3/8 Diameter
1 Pipe Entrance
285 Recommended RPM

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 - 1 3/8 Irwin Bi-Metal Hole Saw

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