Irwin Bi-Metal Hole Saws 4-1/2-Inch Size:4-1/2-Inch Power Pro premium hex washer-head

Power Pro premium hex washer-head self-drilling sheet metal screws are a powerful tool to have in your arsenal when performing metal-to-metal fastening

The push-button release makes for easy soil removal

OPTIMAL head width and non-protruding jaws allow accessibility for hard to reach applications

7” diameter

General Purpose

Irwin Bi-Metal Hole Saws 4-1/2-Inch Size:4-1/2-Inch Power Pro premium hex washer-headVariable depth gullets provide more efficient chip clearance4 6 Variable pitch teeth for reduced noise and improved performanceElectron beam weld for stronger, longer lasting teethBi metal construction for toughness and long life