Features include precision ground carbide-tipped counterbore for splinter-free cutting, non-slip surface treatment for positive clamping, wide web design for superior strength and replaceable HSS fishtail drills. Available for face frame machines (type 1) and drill presses (type 2). Type 1 will fit Evans, Ritter, Unique, Marcon and Norfield face frame machines.
#424006 is DHN surface treated for longer tool life.