1/2-13 x 1 1/4 MS90725 Military Hex Head Cap Screw Coarse Thread Cadmium Yellow Grade 5 DFAR RSW188 which means that it has

which means that it has 7 threads per inch

These screws are easy to drive and are perfect for a variety of drywall projects

5/16" x 2-1/2" Hex Lag Screw 18-8 Stainless Steel

- Finish: Zinc Green (provides corrosion resistance)

The nut has a serrated flange that digs into the metal sheet when it is tightened

1/2-13 x 1 1/4 MS90725 Military Hex Head Cap Screw Coarse Thread Cadmium Yellow Grade 5 DFAR RSW188 which means that it has1 2 13 x 1 1 4 MS90725 Military Hex Head Cap Screw Coarse Thread Cadmium Yellow Grade 5 DFAR is a high strength fastener designed to meet the demanding requirements of military applications. It features a 1 2 13 coarse thread pitch, a 1 1 4 inch length, and a hex head for easy installation and removal. The screw is made of alloy steel and coated with cadmium plating for corrosion resistance. It meets the specifications of MS90725 and is DFAR