3/16 x 4-1/2" Tapcon Carbide Masonry Drill Bit, 11248 ITW Brands

Precise drilling for optimal performance. Carbide-tipped bits are strong and durable. Tighter bit tolerance provides maximum anchor performance. For installing 1/4" Tapcon fasteners, use a 3/16" Tapcon drill bit. 3/16" Diameter, 4-1/2" Length, For use with fastener diameter: 1/4", For use with fastener length: 2-1/4" to 2-3/4". Includes 1 bit.