5/16-18 x 5/8 Grade 5 Hex Cap Screw Plain Domestic USA (1800)

1 1/8-12 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (48)

1 1/16 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

7/16 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1800)

7/16-20 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 3/4-10 Flat Socket Cap Screws 18-8 Stainless Steel 5/16-18 x 5/8 Grade 57 16 20 x 1 1 2 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