- Diameter: 2-1/4″
- Shank: 7/16″ Hex
- Inside Cutting Plane Shaves The Hole Radius For Clean, Smooth Holes Without Pressure
- Center Feed Screw Pilots The Bit And Allows The Bit To Pull Through Fast
- Bits Are Resharpenable And Includes Two Removable, Replaceable Feed Screws
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