5/8-11 x 3 Hex Cap Screw SS 316 (A4)

3/4-10 x 8 Grade 8 Hex Cap Screw Yellow Zinc Plated

1/2-13 x 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (475)

1 1/4-12 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (6)

5/8-11 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (70)

1/2-13 x 1 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (375) 5/16-18 Hex Tap Bolts Silicon Bronze 5/8-11 x 3 Hex Cap1 2 13 x 1 1 4 Grade 5 Hex Cap Screw Plain Domestic USA (375). 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