1/2-13 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1/2-13 x 7/8 Grade 5 Hex Cap Screw Plain Domestic USA (50)

7/16-20 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (650)

1/2-13 x 4 Hex Tap Bolt Silicon Bronze

5/8-18 x 4 Flat Socket Cap Screw Alloy

5/16-18 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 3/4-10 Carriage Bolts 18-8 Stainless Steel 1/2-13 x 8 L9 Hex5 16 18 x 2 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . 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