Diamond Prodcuts Core Bore Dry Core Bits - 7/8"- 6"

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Diamond Product Core Bore Dry Hole Saw bits are the best in the business. Three diamond grades with BLACK as the best quality for fastest cutting, longest lasting bits. Drill dry through block and brick in seconds. No water needed but can be used wet for longer bit life. All bits have 5/8"-11 threaded hubs. Dry bits have 9" drilling depth. Jacobs Chuck Adapter available for hammer drills 5/8"-11 thread to straight shank. These can be run on core drills or large angle grinders