Simpson Strong-Tie WA50812 1/2" x 8-1/2" Galvanized Wedge-All Wedge Anchor (25-Pack) - Heavy Duty Concrete Fasteners for Construction, Masonry & Structural Applications

The Wedge-All wedge-style expansion anchor is intended for use in solid concrete or grout-filled masonry. This anchor is best suited in installations where a building code approval for seismic and cracked/uncracked concrete is not required. Threaded studs are set by tightening the nut to the specified torque.