Concrete Screw Blue - 3/16" Diameter - Hex Washer Head (HWH) - 100-Pack w/ 1x Bit
Concrete screw anchors tap their own threads into concrete, making it an excellent alternative to expansion anchors, plugs and lag shields. Use concrete screws for installing sill plates, electrical equipment, furring strips and many other applications that require fastening into brick, block or concrete.