90 Degree Countersink Drill Bit Set - 5 Cutter HSS

SPECIFICATIONSis_customized: YesUse: Metal DrillingType: Center Drill BitShank: HexSet: 6pcs Set or 7pcs SetOrigin: CN(Origin)Model Number: ASM06802Material: High Speed SteelLength: 48mmDIY Supplies: MetalworkingColor: GoldBrand Name: NoEnName_NullApplicable: Wood,Metal, Concrete     1) This product is 6pcs/set or 7pcs Set(6pcs Drill bit + 1pcs center punch),90 degree countersink drill bit; 2) 6pcs Set include: 6mm,8mm,9mm,12mm,16mm and 19mm(Drill head diameter), each size is one piece;7pcs Set include: 6mm,8mm,9mm,12mm,16mm and 19mm(Drill head diameter) + 1pcs center punch, each size is one piece; 3) Countersink Drilling bit, which can dig hole in copper, brass, aluminum, sheet metal and plastic greatly save processing steps and time costs, improve workin