Tap grinding machine?
Nov 02, 2010· tap relief grinding, the machine we use is a RO tap grinder, Royal Oak out of Detroit Michgan, the company was purchase from Senica Falls Machines, SFM it has a cam relief in two directions. from 0 to 60, this will give you lots of combinations. We grind taps for making tie rods tube. which is some what a gunnie steel. thanks stphshin