5/8-11 x 4 1/4 Socket Cap Screw Alloy

5 x 70 Hex Cap Screw 8

3/8-16 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (675)

5/16-18 x 1 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (1250)

3/4-10 x 3 3/4 Hex Cap Screw SS 316 (A4)

5/16-18 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) Flat Washers 18-8 Stainless Steel 5/8-11 x 4 1/4 Socket5 16 18 x 4 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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