Irwin Unibit 3/16 In. - 1/2 In. #2 Step Drill Bit, 6 Steps Door Locks & Knobs Application over Previously Finished Surfaces:

Application over Previously Finished Surfaces: Lightly sand surface with very fine grit sandpaper or #0000 steel wool

Approximately 10 hours

15 amp motor delivers power for the toughest applications

work benches

This unique formula contains an insecticide and nearly double the fungicide of standard sealers

Irwin Unibit 3/16 In. - 1/2 In. #2 Step Drill Bit, 6 Steps Door Locks & Knobs Application over Previously Finished Surfaces:Single concave flute design creates perfectly round holes in thin materials including steel, brass, copper, and aluminum. Constructed of industrial grade, high speed molybdenum steel. SpeedPoint tip for fast starts.