Red Head Wedge anchors are heavy-duty anchors designed for fastening into solid concrete.
Ideal for attaching 2x4s, sill plates and electrical equipment. Wedge Anchor, 1/2" Dia., 5-1/2" L, Carbon Steel, 10 PK. Also good for attaching structural supports to concrete, tilt-up construction, highway rails and posts, electrical, HVAC and plumbing systems, metal doors and window frames.