Irwin 1882784 Wood Countersink Drill Bit, #12 x 7/32" Thinners Auto regeneration based on water

Auto regeneration based on water used

Traditional triangular dinner bell with striker

The 1-1/8" overhang wraps over the front of the step to provide instant traction on these slippery edges

Oval Straight-Cut design

Diameter : 1-3/16"

Irwin 1882784 Wood Countersink Drill Bit, #12 x 7/32" Thinners Auto regeneration based on water1 4" quick change shank reduces slipping in standard chucks and is compatible with all 1 4" quick change chucks, including impact drills. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. Highlights: Bit # : 12 4 cutter head Tapered drill with widened flutes for drilling fast, clean pilot holes Adjustable four cutter counterbore cuts and clears chips quicker for fast,