Blair 11104-3 Rotabroach Hole Cutter, 5/16 Diameter, 3/8 x 24 Thread – 3 Pack

Features:

Fits 3/8″ or 1/2″ ChuckRugged Arbor Houses Pilot Guides and Adjustable Tension SpringPatented Long-Lasting Tooth DesignSpring-Loaded Heavy Duty PilotGuide Eliminates Pre-drilling/>/>sed For:/>/>Drilling SlotsGroove to DepthTube JointsPartial holesRemoving bolt, screw, and rivet headsRemoving frozen nuts