5/16 x 4 1/2 Cotter Pin 18-8 Stainless Steel

1-8 x 1 Socket Set Screw Cup Point Alloy

5/8-11 x 1 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (25)

7/8-9 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15)

1/4-28 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (750) 3/4 Hex Lag Screws Hot Dipped Galvanized 5/16 x 4 1/2 Cotter1 4 28 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (750). 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