Our premium cobalt drill bits can cut through various work-hardened and abrasive materials, including stainless steel, and metals such as cast iron, bronze, and titanium have no chance against our premium-quality cobalt drill bits for sale. Our cobalt drill bits meet ANSI standards, are available in sizes up to 1/2″, and feature a heavy-duty 135-degree split point design for quick drilling. All cobalt drill bits 3/16″ and up have ground 3-flat shanks to prevent slippage. DBW cobalt drill bits for hardened steel are a great choice for cutting through weld seams. We carry a wide variety of lengths, consisting of a jobber, stub-screw machine, and aircraft extension for hard-to-reach places. If you often need cobalt drill bits for hardened steel, try out one of our sets. We can also produce custom sizes and sets necessary for your application. Give us a call at (800) 350-8665 for more information about our impressive selection.
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