5/8-11 x 3 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

7/8-9 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (80)

5/8-11 x 7 1/2 Socket Cap Screw Alloy

1/2-13 x 2 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (300)

10-24 x 1/2 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

3/4-10 x 3 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) Nail-In Anchors Nylon 5/8-11 x 3 1/2 Grade3 4 10 x 3 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . 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