Red Head 12019 Wedge Anchor 1/2 in Dia

Designed for fastening applications in solid concrete. They are ideal for attaching 2×4, sill plates and electrical equipment. Other common applications include attaching structural supports to concrete, tilt-up construction, highway rails and posts, HVAC and plumbing systems, metal doors and window frames. They feature a versatile fully threaded design, which is standard in sizes up to 3/4 in. x 10 in.