Screw-Bolt+ anchors are a one-piece, heavy-duty screw anchor with a finished hex head. They are simple to install, easy-to-identify and are fully removable. Screw-Bolt+ anchors are ICC code approved products and have versatility in different types of concrete and masonry. These anchors are ideal for use in concrete construction, structural applications, racking, fences and railings, drywall, glazing and temporary applications such as scaffolding.