Countersink bit 90°, fully ground flute and ground shank, countersink head according to DIN 335 C with 14" hexagonal shank according to DIN 3126 and 3 cutting edges, for countersinking, chamfering and deburring, for metal and plastic processing, for direct use in electronics -Hand drills, electric screwdrivers and cordless machines with hexagon socket, universal holder or hand holder or in a screwdriver holder (bit hand holder)