This highly productive countersinking cutter is a much improved version of the traditional multi-flute milling cutter
-Grooves opened wide to allow for greater chip removal.
-High positive cut.
-Constant profile relief (a great many regrinds),
-Self centering countersink,
-Work without vibration.
Tool dimensions are adapted to countersink the 82 deg and 90 deg cap screws. Lubrication is recommended.