Irwin 88885 Speedbor Boring Bit Set, 1/4", 5 Piece Drop-in & Self Rimming Sinks They can be used submersed

They can be used submersed or externally and can be mounted vertically or horizontally

Includes brass orifice

Catspaw claw and ripping bar blade

Product Type : Windshield Wiper Blade

140 deg D max

Irwin 88885 Speedbor Boring Bit Set, 1/4", 5 Piece Drop-in & Self Rimming Sinks They can be used submersedHighlights: Shank Diameter: 1 4" Blue Groove point and cutting edge for faster chip removal overall drilling speed Double cutting spurs scribe the outside of the hole for reduced breakout and cleaner holes 40% thicker cutting edge and enlarged shank for increased strength longer drilling life 1 4" quick change shank reduces slipping in standard chucks Set includes (1) 3 8", (1) 1 2", (1) 5 8", (1) 3 4" and (1) 1" Number of Pieces: 5 pc. Cancer and