1/2-20 x 1 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

1/2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1150)

Nuts are manufactured to meet a proof load of 90

3/4-10 x 6 Grade 5 Carriage Bolt Zinc Plated

3/4-10 x 3 Socket Cap Screw 18-8 (A2) Stainless Steel

9/16-18 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (350) 7/8-14 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 1/2-20 x 1 1/4 L99 16 18 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (350). 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 120,000