These sheet metal cutters cut holes in sheet metal up to five times faster and last up to five times longer than traditional bi-metal hole saws, claims the manufacturer. They are designed to provide more accuracy and rigidity in hole drilling operations, which eliminates the possibility of egg-shaped holes. With the manufacturer's patented arbor systems, the cutters can be used in hand-held drills or drill presses with 3/8- or 1/2-inch chucks. The arbor system allows for easy installation and removal of the cutters without concern about the cutter getting thread locked on the arbor. The sheet metal cutters range in size from 5/16 to 3 inches, in both English and metric units.

Jancy Engineering Inc., 2735 Hickory Grove Rd., Davenport, IA 52804; 563-391-1300;;

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