Bosch 2608596665 PRO Steel HSS Countersink Drill Bit - 10.0mm, M5 (Pack of 1)

The PRO Steel HSS Countersink Drill Bit is a great choice for construction workers and installers who need to deburr and countersink pre-drilled holes in steel.The countersink bit is made from high-speed steel (HSS) for strength and resistance to heat. It features five 90° cutting edges to help you get clean and burr-free countersink holes – precisely where you need them.