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Your cart is empty.The Quick Change 7/16"" hex Mandrel for a 1/2" drill, and is used for hole saw sizes 1 1/4" to 7 7/8" all mandrels come complete with a high-speed 1⁄4” pilot drill and are fully heat treated to provide positive drive to the hole saw worn pilot drills are easily replaced threaded locking nut for secure drive pin fit go Green and recycle this product
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