PRODUCT DETAILS Click an item to expand and learn more Overview RTAFurniture Drill / Countersink Boring Bits & Replacement Hig-Speed Steel (HSS) BitsQUICK RELEASECommonly used for RTA (ready-to-assemble) furniture fittings, includes HSS M2 fully ground drill bit. Specially-treated high-speed steel countersink with polished slow-spiral drill bit. Will perform 3 tasks in one: 1 - Pilot Hole2 - Clearance Hole3 - Countersink Reviews Questions and Answers