All mechanical bolts have a wedge arrangement at the end.Torquemaster Wedge Anchor, 2-3/4" L, Steel Blue Ruspert, 50 PK This jams the end of the bolt, and provides the strength..
Self-Drilling Screw, #10 x 1-1/2 in, Painted Steel Hex Head Hex Drive, 15 PK A self-drilling screw, or tek screw, is similar to a sheet metal screw, but it has a drill-shaped point to cut through the substrate to eliminate the need for drilling a pilot hole..
Self-Drilling Screw, #10 x 1-1/2 in, Painted Steel Hex Head Hex Drive, 15 PK A self-drilling screw, or tek screw, is similar to a sheet metal screw, but it has a drill-shaped point to cut through the substrate to eliminate the need for drilling a pilot hole..