Heavy-duty anchors designed for fastening applications in solid concrete. They feature a versatile fully threaded design and a corrosion-resistant, one-piece stainless steel clip. Supplied complete with nut and washer. Applications - 2 x 4's, sill plates, electrical equipment and attaching structural supports to concrete, tilt-up construction, highway rails and posts, HVAC and plumbing systems, metal doors and window frames.