Parawedge Wedge Anchor, 1/2" Dia., 3-3/4" L, Steel Zinc Plated, Cobra Anchors, Mfr#: 501N

The Parawedge anchor stud is cold formed and consists of a threaded section with standard coarse bolt threads at one end and a parabolic shaped taper mandrel neck at the opposite end for a smoother expansion It has a 360 deg clip for more contact, a torque controlled expansion and can be installed into a bottomless hole