11/64" Cobalt Jobber Drill Bits

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Drillco's 11/64" Cobalt Drill Bits are designed for the toughest jobs with the ability to penetrate high tensile strength alloy steel and stainless steel. Featuring 135° split points and a bronze coating for enhanced performance.  While they cost more upfront than standard bits, their extended lifespan makes them a cost-effective choice. Proudly made in the USA, these bits offer superior strength.