Hot-Dip Galvanized material will meet or exceed ASTM A563

5/8-11 x 7 Flat Socket Cap Screw Alloy

8 x 2 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 305 SS - 5 lbs Pack (640)

) material thickness

3/8-24 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 3/4 Hex Lag Screws Zinc Plated Hot-Dip Galvanized material will meet3 8 24 x 1 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum