1 1/2-6 Grade 2 Square Nuts Hot Dipped Galvanized

7/16-20 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (300)

10 x 1 screw

5/16 x 4 Powers Round Toggle Bolt Zinc Plated (25)

8 x 1 Simpson Flat-Head Marine Screw - Phillips Drive 316 SS - Box (100)

9/16-18 x 3 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125) Star Flat Decking Screws Yellow Zinc Plated 1 1/2-6 Grade 2 Square9 16 18 x 3 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125) . 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