Hillman Screw-Bolt+ 1/4 in. D X 3 in. L Steel Concrete Screw Anchor 25 pk

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 & masonry. These anchors are ideal for use in concrete construction, structural applications, racking, fences & railings, drywall, glazing, and temporary applications such as scaffolding.
ANSI standard bit designed for ANSI carbide drill bits
Dust-relief thread profile improves speed and reduces effort for 22 percent faster installation than traditional wedge anchors
Integrated washer with serrations under the head to secure the attachment Code listed for ICC-ESR 3889 Concrete and ICC-ESR 4042 Masonry