On diameters over 2 1/2 inches

5/8 x 10 Hex Lag Screw Hot Dipped Galvanized

They are actually stronger than most metal and chemical anchors because the all plastic plug bonds through friction to concrete

18-8 nuts are characterized as having a chromium content of 18% and nickel content of 8-10%

Coarse thread: 90

7/8-9 x 6 Simpson Wedge Anchor 304 SS (5) 7/8-9 Socket Cap Screws Alloy On diameters over 2 1/27 8 9 x 6 Simpson Wedge Anchor 304 SS (5) . WEDGE ALL wedge anchors are a non bottom bearing, wedge style expansion anchor for use in solid concrete or grout filled masonry. A one piece clip ensures uniform holding capacity that increases as tension is applied. The threaded stud version is available in eight diameters and multiple lengths. A single size tie wire version is available for wire supported fixtures. Threaded studs are set by tightening the