5/8-11 x 9 Socket Cap Screw Alloy

5/16-18 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (300)

1/2-20 x 3 1/2 Socket Set Screw Cup Point Alloy

1/4-20 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1200)

1/2-20 x 5 Grade 5 Hex Cap Screw Plain Domestic USA (25)

5/16-18 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 5/8-11 Hex Cap Screws 316 Stainless Steel 5/8-11 x 9 Socket Cap5 16 18 x 3 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 of