# 12 Complete Countersink W/Taper Drill & Quick-Change 1/4" Hex Shank Adapter From W.L. Fuller (C5M), Big Horn, Mfr#: 18931

Big Horn 18931 #12 Countersink with Taper Drill from W. L. Fuller # C5M. Universal 1/4-inch quick-change hex shank prevents slipping in standard chucks and is compatible with all 1/4-inch quick-change chucks, including impact drills; Suitable for drilling holes on board of low hardness such as wood, plastic and other soft material. Drilling length can be adjusted for various length screws simply by loosening and Tightening the set screw.