Description:

3Pcs/Set Flute Countersink 1/4'' Hex Shank Countersink Bit 12-19mm Drill Bit. A Chatter-Free,five-flute designed with staggered cutting teeth aranged to insure free chip flow and rapid chatter free cutting.. Ideal for wooden planks,fiberboard,particle board,plywood,plastic,alumiumn board ,pcb board and more. Good chipping, the edges are not easy to blunt, high hardness, sharp and smooth blade, magnetic shank.. Suitable for DIY, Home and General Building/Engineering Using.