DEWALT CALK-IN 5/16 X 18 (Box of 50)

The CALK-IN 5/16 X 18 is an expansion-shield anchor used with a threaded rod or bolt to create a secure anchor point in concrete or masonry. Made from zinc-plated carbon steel, the shield expands as the rod or bolt is driven in, providing dependable holding power for rod hanging, equipment mounting, and structural bracing.