1/4-28 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (100)

5/8-18 x 1 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (300)

230" head diameter

3/4-10 x 4 1/2 Hex Cap Screw SS 316 (A4)

1-8 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (10)

1/2-13 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 3/4-16 Hex Cap Screws 316 Stainless Steel 1/4-28 x 1 1/2 Grade1 2 13 x 7 8 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 of