Steelex D1041 Tapered Countersink Bit Set, 22-Piece Go to amazon.com Related posts The 10 best tapered drill bits 2022 FeatureIncludes: tapered drills, countersinks and stop collars for no.5, no.6, no.7, no.8, no.9, no.10 and no.12 screws. DescriptionSteelex 22 pc. Tapered Countersink Set D1041