1/4-28 x 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (3300)

7/16-14 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

1/4 x 1 Nailon™ Anchor Mushroom Zinc Plated (100)

5/8-18 x 2 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1/2 x 12 High Speed Long Boy

7/8-14 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35) 9/16-18 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 1/4-28 x 1/2 Grade 57 8 14 x 5 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35) . 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