Domestic Wedge Anchor (Carbon Steel) Carbon Steel and Stainless Steel Wedge Expansion Anchors Print The Domestic Wedge Anchor is a threaded, torque-controlled, carbon steel or stainless steel wedge expansion anchor which is designed for consistent performance in concrete. Suitable base materials are normal-weight and lightweight concrete. The anchor is manufactured with carbon steel body and expansion clip or a stainless steel body and expansion clip. Nut and washer are included. Read Less