HILLMAN 5/8 in. D X 4-1/2 in. L Steel Round Head Wedge Anchor 10 Pc

The Power-Stud+ SD1 is a fully threaded, torque controlled, wedge expansion anchor that is designed for concrete applications. Suitable base materials are normal-weight and sand-lightweight concrete, concrete over steel deck, and grouted concrete masonry. This anchor has various Dot approvals including Caltrans listing for "Stud Mechanical Expansion Anchors". Building code approved.