Steel Dragon Tools® 3-Piece 1.5" to 2.5" Dry Diamond Core Drill Bit Kit

Bit Sizes: 1-1/2 in., 2 in., 2-1/2 in. Drilling Depth: 6 in. All bits feature 13/16-inch female threads. 10 mm segment height for improved operating life.You may also like Steel Dragon Tools® 1-3/4" x 1-3/8" Carbide Tip Annular Cutter 3/4" Weldon.