Vires HSS Countersink 20.5
Available in Shank Sizes: 6.30, 8.30, 10.4, 12.4, 16.5, 20.5, 25.0Countersinking screw holes
Chamfering of tapping holes
For countersinking holes such as steel, tool steel, stainless steel, cast iron, brass and aluminium.
Can be used in portable and pedestal drilling machines.