7/8-9 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (15)

1-14 x 2 1/2 Socket Set Screw Cup Point Alloy

stone and brick aggregates

1/2-13 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

9/16-18 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) L9 USS Tension Flatwashers Yellow Zinc Plated - Domestic USA 7/8-9 x 2 3/4 Grade9 16 18 x 2 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . 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