Description of Supreme Reinforced Concrete Diameter Threaded
Designed for drilling higher PSI concrete, concrete with medium level of rebar reinforcement, and other hard masonry. #30/40 diamond grit. Diameter: 2-1/2 Inch. 1-1/4"-7 Thread. Drilling depth: 14". Wet use only. With dedicated core drill machines our lab test has shown 40-60% improvement in both speed and lifetime compare to standard wet core bits.