The Vevor 3" wet diamond core drill bit is designed for drilling clean, accurate holes in reinforced concrete, red brick, concrete, and foam brick. Built from premium carbon steel with diamond-grit teeth and high-precision laser welding, it is made for durability and stable performance under demanding conditions. Its 1-1/4 in-7 universal thread fits standard hand drills and stand drills for versatile jobsite use. Wet cutting helps reduce heat buildup, lower friction, and extend the bit's service life.