3/4-16 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (25)

50 x 120 Socket Cap Screw 12

1/2 Hex Key Short Arm Alloy

5/16-18 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

5/16-24 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 1 1/4-12 Socket Cap Screws Alloy 3/4-16 x 4 Grade 55 16 24 x 5 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