Steel Dragon Tools® 3-1/2" (89 mm) Wet Diamond Concrete Core Drill Bit

Bit Size: 3-1/2 in. (89 mm) Drilling Depth: 14 in. Spindle Thread: 1-1/4 in. - 7 For use on asphalt, block, brick, concrete, pavement, and other materials.You may also like SDT 89150 Front Chuck Hand Wheel fits RIDGID® 300 Pipe Threading Machine.