1-8 x 5 1/2 Hex Cap Screw SS 316 (A4)

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

5/16-18 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (50)

7/8-9 x 8 Socket Cap Screw Alloy

3/8-16 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (100)

1/4-28 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1200) 1-8 A307A Hex Tap Bolts Zinc Plated 1-8 x 5 1/2 Hex1 4 28 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1200) . 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