How It Works: Wedge Anchors | Allfasteners Australia - YouTube
Concrete Form Panel Wedge Bolt for X type Flat Ties - 500 pc/bucket
Horiznext 1/2" x 2-3/4" Wedge Anchor, for Cement and Concrete only, zinc-Plated Carbon Steel Screws and lag Bolts (10 pcs): Amazon.com: Industrial & Scientific