1/2" x 4-1/2" Powers Power-Stud+ SD4 Strength Design Wedge Expansion Anchors, 304 Stainless Steel

The Power-Stud+ SD4 anchors are fully threaded, torque-controlled, stainless steel wedge expansion anchors which are designed for consistent performance in cracked and uncracked concrete. Suitable base materials are normal-weight, sand-lightweight concrete, and grouted concrete masonry (CMU). The anchor is manufactured with a stainless steel body and expansion clip. Nut and washer are included.