Cobra Anchors 1/2 in. x 5-1/2 in. Anchor (25-Pack)

The Parawedge anchor stud is cold formed and consists of a threaded section with standard coarse bolt threads at 1 end, and a parabolic mandrel at the opposite end for a smoother expansion. It has a 360 degree 1-piece clip that functions as a 2-piece clip for more contact, a torque controlled expansion, and can be installed into a bottomless hole. 3 head styles are available: Hex Nut, Wire Hanger and Tie Down Hook. More than 39 sizes are available, in 2 types of material: Carbon steel and 304 Stainless steel. Approvals: UL. Underwriters Laboratory - File #EX 4687.