fine threads and the self drilling tip make these screws ideal for penetrating and holding into metal framing studs and other types of metal or aluminum framing

1 3/4-8 A194 2H Heavy Hex Nut Plain

8 x 1 1/4 Simpson Fiber-Cement Screws T17 316 SS - Box (100)

1/2-20 x 7 1/2 Hex Cap Screw SS 18-8 (A2)

3/4 x 24 Hex Lag Screw Hot Dipped Galvanized Phillips Flat Machine Screws Type F Zinc Plated fine threads and the self3 4 x 24 Hex Lag Screw Hot Dipped Galvanized . Hex Lag Screws are manufactured from low carbon steel to meet SAE J429 Grade 1. Lag screws longer than 12 inches will have a minimum thread length of 50% of the screw length up to a maximum of 8 inches. Zinc plated material will meet or exceed ASTM F1941. Hot Dip Galvanized material will meet or exceed ASTM A153. Typical hardness is HRB 70 100. Tensile strength (not pull out) will meet a minimum of 60,000