Hougen 11087 Fractional Rotacut Combo Kit - 19 Piece, 5/16 to 1-1/2 Inch

Description

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Hougen 11087 Fractional Rotacut Combo Kit - 19 Piece, 5/16 to 1-1/2 Inch
Features:
Used in hand-held electric drills and in drill presses, Can drill holes 1/4” or 1/2” thick depending on diameter
Annular design cuts the periphery of the hole, Drills holes 3 times faster than twist drills or hole saws
Virtually burr-free holes, Doesn't deform surrounding material, while deburring holes
Packaged in a sturdy plastic storage case, Material Application Aluminum; Mild Steel; Stainless Steel; Steel, Finish/Coating: Bright, Flatted:Yes, Number of Flats: 3
Includes: Plastic tool case, 11005 & 11088 Arbor Assembly, Center Punch, Extra Pilots, & (13) Cutters: 5/16", 3/8" 7/16" 1/2" 9/16" 5/8" 3/4", 7/8", 1", 1-1/8" 1-1/4", 1-3/8", & 1-1/2". MADE IN U.S.A.
Product description:
RotaCut Sheet Metal Hole Cutters are made of M2 HSS, hardened and precision ground. The annular or hollow design cuts only at the periphery of the hole, leaving the center as a solid slug of material. Because there is no center point or "dead zone" as with conventional hole making tools, the annular cutter configuration has demonstrated the ability to drill holes up to 3 times faster and lasts 10 times longer than twist drills or hole saws. The cutters cut holes that are virtually burr-free and do not deform the surrounding material, even thin sheet metal.