Tapcon 5/32" x 4-1/2" Concrete Drill Bit, made of steel with a straight shank, is suitable for drilling in brick and concrete. Manufactured with tighter tolerances than ANSI standards, Tapcon Drill Bits are engineered to drill holes that deliver optimal performance when used with Tapcon Concrete Screw Anchors. Seamlessly use Tapcon Drill Bits with Tapcon anchors to ensure drilling precise holes and achieve maximum holding power.