Parawedge™ Zinc Plated 1/2'' X 7'' 25pc

The Parawedge™ anchor stud is cold formed and consists of a threaded section with standard coarse bolt threads at one end, and a parabolic mandrel at the opposite end for a smoother expansion. It has a 360° one-piece clip that functions as a two-piece clip for more contact, a torque controlled expansion, and can be installed into a bottomless hole. Three head styles are available: Hex Nut, Wire Hanger and Tie Down Hook. Many sizes are available  in two types of material: Carbon steel and 304 Stainless steel. Approvals: UL.. Underwriters Laboratory - File #EX 4687