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Machine-ground carbide burs from Grainger can produce expert results on all your metalwork. Single-cut burs feature right-hand spiral flutes that can create a smooth finish on steel, cast iron, ferrous and nonferrous materials. Double-cut burs feature right- and left-hand helical flutes that can produce a chisel-type cutting edge and create a smooth finish on a wide variety of materials. Stock up on rugged carbide burs today at Grainger!