Irwin 1882790 Countersink Replacement Drill Bits, #12 Filters Cross Reference: 7911

Cross Reference: 7911

Cross Reference: C5129 x 2

Base Color: Black

Wire Gauge: 0

The shower support bar features a suction cup design that makes it easy to attach or remove and flip-up easy release tabs for easy installation and removal

Irwin 1882790 Countersink Replacement Drill Bits, #12 Filters Cross Reference: 7911Highlights: Bit # 12 Tapered drill with widened flutes for drilling fast, clean pilot holes 1 4" quick change shank reduces slipping in standard chucks and is compatible with all 1 4" quick change chucks, including impact drills Adjustable four cutter counterbore cuts and clears chips quicker for fast, smooth countersinking Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth