TAPCON 1/4 in. x 2-3/4 in. HEX WASHER HEAD SCREW ANCHOR 150CT As the Original Concrete Screw Anchor that revolutionized the construction world, Tapcon delivers ease of use, superior precision and unparalleled performance that professionals demand. The new Hex Head provides underhead ribs designed to minimize rework due to headsnaps. Features Designed for fastening into solid concrete, brick or hollow block Coated for corrosion protection Approved for use in ACQ treated lumber Reputation for quality, strength and ease of installation from industry professionals 1/4" x 2-3/4" USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.