5/8-18 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

7/8-14 x 3 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (15)

1-8 x 7 Flat Socket Cap Screw Alloy

1 1/8-12 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

5/8 x 2 Hex Lag Screw 18-8 SS

9/16-18 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25) 7/16-20 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 5/8-18 x 2 1/2 Grade9 16 18 x 5 1 2 Grade 5 Hex Cap Screw Plain 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 of