Photo 1 of BETTERI 2 1/2 Inch Dry Core Drill Bit with Pilot Bit and 2 Pcs Adapters (SDS Plus Adapter&Hex Adapter), 5/8"-11 Threaded Diamond Core Bit for Concrete/Brick/Masonry, 10" Drilling Depth

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Photo 1 of BETTERI 2 1/2 Inch Dry Core Drill Bit with Pilot Bit and 2 Pcs Adapters (SDS Plus Adapter&Hex Adapter), 5/8"-11 Threaded Diamond Core Bit for Concrete/Brick/Masonry, 10" Drilling DepthPhoto 2 of BETTERI 2 1/2 Inch Dry Core Drill Bit with Pilot Bit and 2 Pcs Adapters (SDS Plus Adapter&Hex Adapter), 5/8"-11 Threaded Diamond Core Bit for Concrete/Brick/Masonry, 10" Drilling Depth