These cotter pins consist of a double bodied pin formed from half-round wire

7/8-9 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

3/4-16 x 3 Socket Cap Screw Alloy

1/4-28 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (750)

5/8-11 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25) Premium SDS Plus Hammer Drill Bits These cotter pins consist of5 8 11 x 4 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (25). Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on diameters 1 4