The Vevor 2-1/2" wet diamond core drill bit is designed for precise, smooth drilling in reinforced concrete, red brick, concrete, and foam brick. Made from premium carbon steel with diamond-grit teeth, it offers strong wear resistance and long-lasting durability. Its 1-1/4 in-7 universal thread fits standard hand drills and stand drills for broad compatibility. Wet drilling operation helps reduce heat buildup, lower friction, and extend tool life. Precision-ground teeth support fast, accurate cuts with clean, burr-free results.