3 1/2" dry core bit for drilling through brick, concrete block, cement block, and light reinforced concrete. 3 1/2 inch dry core bit has 5/8"-11 standard threads for handheld tools vented 10-inch steel barrel, and premium turbo segments laser-welded for fast low-cost drilling. 3 1/2“ dry turbo core bit is 10” long, 3 1/2" in diameter and has a 9 ¼” cutting depth. For Next Day or 2nd Day, FedEx visit Fast Ship websites Dry Core Bit.
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