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 & masonry. These anchors are ideal for use in concrete construction, structural applications, racking, fences & railings, drywall, glazing and temporary applications such as scaffolding.

• Made of engineered steel designed to maintain ductility when cutting through concrete
• Diameter, length and product marks embossed on head for easy identification
• Dust-relief thread profile improves speed & reduces effort for 22% faster installation than traditional wedge anchors
• Designed for standard ANSI tolerance drill bits
• Integrated washer with serrations under the head to secure the attachment
• Can be installed closer to the edge than traditional expansion anchors
• Fully removable and re-installable in the same hole
• Code listed for ICC-ESR 3889 concrete & ICC-ESR 4042 masonry
• Made of case-hardened carbon steel with zinc plating according to ASTM B633