TAPCON 28371 Tapcon Concrete Screw, 3/16" Dia., 1-3/4 in. L, 75 PK

As the original concrete screw anchor that revolutionized the construction world, Tapcon brand concrete anchors deliver the ease of use, superior precision and the unparalleled performance that professionals demand. With a new star recess to eliminate bit slip, Tapcon drives with ease and the patented thread design allows for quick and successful installation no matter the type masonry substrate anchored into. Use Tapcon concrete screw anchors for wood framing to concrete, electrical equipment, furring strips and many other applications that require fastening into brick, block or concrete.