The Hillman Group 372162 Wedge-Bolt Anchor, 3/8 x 3, 50 Piece
The Wedge Bolt+ anchor is a Building Code Approved one-piece, heavy duty screw anchor with a finished hex head. It is simple to install, easy to identify, and fully removable. The patented steel threads tap into the hole providing strong loads. The anchor is designed for structural loading in cracked and uncracked concrete. Wedge Bolts are designed to fit standard fixture holes. For proper performance, use a Wedge Bit.