Steel Dragon Tools® 1" (25 mm) Dry Diamond Concrete Core Drill Bit

Bit Size: 1 in. (25 mm) Drilling Depth: 15 in. Spindle Thread: 1-1/4 in. - 7 For use on asphalt, block, brick, concrete, pavement, and other materials.You may also like Steel Dragon Tools® 1-15/16" x 2" HSS Annular Cutter with 3/4" Weldon Shank.