Copper head annular cutters (diameters from 9/16 to 1-1/2 in.) boast long life for hole-making, to 2-in. depths, in high Brinnell hardness alloys or abrasive cast irons. Tools feature a dual flat shank and are designed for use in portable magnetic drills or, with a spindle adapter, in stationary drill presses, lathes, and machining centers. Tools can be resharpened. Other features include hollow body, which reduces power requirements so smaller equipment can drill larger holes.
