HILLMAN Screw-Bolt+ 1/2 in. D X 4 in. L Steel Hex Head Concrete Screw Anchor 10 Pk

Screw-Bolt+ anchors are a one-piece, heavy-duty screw anchor with a finished hex head. The patented thread design offers toughened threads for tapping high strength concrete. 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 amp, masonry. These anchors are ideal for use in concrete construction, structural applications, racking, fences and railings, drywall, glazing and temporary applications such as scaffolding.