Cobra Anchors 491R Wedge Anchor, 1/4 in Dia, 2-1/4 in L, 449 lb, Steel, Plated

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.