stone and brick aggregates

1/2-13 x 14 Socket Cap Screw Alloy

Manufactured from heat treated alloy steel

5/8-11 x 3 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (25)

3/4-10 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (80)

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 stone and brick aggregates9 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