TAPCON FASTENER 1 1/4" LONG 100/CTN SECURE GROUND CHANNEL TO CONCRETE

Item Diameter: 3/16"". Size: 3/16" X 1-1/4". An externally threaded- hardened screw with a double lead- consisting of alternating raised and lowered threads with notches cut into the raised threads- and a diamond shaped- nail type point.. Cuts its own threads and when used in concrete- block- or brick- eliminates the need for an anchor.. Sold by the carton 100/CTN.