9/16-18 x 1 3/4 Socket Cap Screw Alloy

5/16-18 x 5 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (250)

5/8-11 x 3 Socket Cap Screw 316 Stainless Steel

1 1/2-12 x 12 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (12)

5/8-18 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (250)

1-8 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (10) 1 1/4-7 Socket Cap Screws Alloy 9/16-18 x 1 3/4 Socket1 8 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (10) . 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