Designed for light to heavy-duty anchoring into solid concrete. The concrete wedge anchor is available in zinc plated steel, stainless steel and hot-dipped galvanized. Wedge anchors come in 1/4”, 5/16”, 3/8”, 1/2”, 5/8”, 3/4”, 7/8”, 1”, and 1-1/4” diameters and many different lengths to accommodate varying thicknesses of material to be attached to the concrete. Anchor diameter is equal to hole diameter.