Amana Tool High-Speed Steel Countersinks Bits Option:55102 RTA Furniture Drill/Countersink 7mm Dia x 3.5mm Drill Dia x 10mm Shank - 5mm Screw w Drill making these bits a simple

making these bits a simple

Variable helix design for faster speeds and feeds

with a durable tool storage bag included

Sometimes called "Core Box" bits

Amana Tool High-Speed Steel Countersinks Bits Option:55102 RTA Furniture Drill/Countersink 7mm Dia x 3.5mm Drill Dia x 10mm Shank - 5mm Screw w Drill making these bits a simpleCommonly used for RTA (ready to assemble) furniture fittings. Specially treated high speed steel countersink with polished slow spiral drill bit. Will perform 3 tasks in one: pilot hole, clearance hole and countersink. For connecting screws (Confirmat, Directa, etc.). The shankless countersink is heat treated.