Irwin 3046010 Speedbor Max Self Feed Bit, 2" Saute Outside Diameter :1/2"

Outside Diameter :1/2"

Series: V1951

Good choice and value for medium grit dry sanding and finishing aluminum

dual-range variable-speed control

Irwin 3046010 Speedbor Max Self Feed Bit, 2" Saute Outside Diameter :1/2"Highlights: For drilling large diameter holes in wood for pipe, conduit and other applications Replaceable coarse screw point drills quickly in dry, wet, and gummy wood All bits have a 7 16in hex quick change impact shank that fits 1 2in or larger electric drills or 7 16in hex impact wrench drills Precision milled shank eliminates runout and wobble Forged in one piece from high carbon steel for maximum strength under tough drilling conditions Ideal