50 x 180 Flat Socket Cap Screw 12

5/8-11 x 3 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (100)

5/16-18 x 5/8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

3/4-16 x 1 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (20)

7/8-14 x 4 1/2 Socket Cap Screw Alloy

1/2-20 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (475) 1/2-13 Socket Cap Screws Alloy 50 x 180 Flat Socket1 2 20 x 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (475) . 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