Countersink Bit 1/2" P&N Miami Stainless 1/2" Countersinking Bit is specifically designed to countersink pre-drilled holes on aluminium, wood and plastic. The 1/4" hex shank allows the operator to use a standard power drill. When using a power drill, use a fast speed withdrawing the bit regularly to clear the flutes. Please use eye protection when using cutting tools.
