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

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

1/4-28 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (100)

also referred to as acorn nuts are used to cover exposed bolt ends and add a finished appearance

1 1/2-6 Slotted Hex Nut Zinc Plated

9/16-12 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) Phillips Flat Undercut Machine Screws Black Zinc Plated 5/16 x 4 1/2 Cotter9 16 12 x 2 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated 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