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Carbide Tipped Core Drills - Four Flute. Straight Shank - Rock River, Made In USA
Rock River Carbide Tipped Core drills are designed for economically enlarging cored, punched or drilled holes, removing up to 30% of the hole diameter. The balanced cutting action of the core drill removes considerably more material than a reamer, often eliminating the need for a final reaming or boring operation. For cast iron, non-ferrous metals, some steels, composites, plastics and non-metals. Drills will not drill an original hole.
WARNING: This product contains Cobalt and/or Nickel and/or Lead a chemical known to the state of California to cause cancer, or birth defects or other reproductive harm. For more information: www.p65warnings.ca.gov