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

#4 x 6 High Speed Aircraft Bit Cobalt

1/2-13 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

5/16-18 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1400)

2-4 1/2 x 20 Socket Cap Screw Alloy

1/2-13 x 3 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (175) 7/16-14 Hex Cap Screws 316 Stainless Steel 5/16 x 4 1/2 Cotter1 2 13 x 3 1 4 Grade 8 Hex Cap Screw Plain Domestic USA (175). 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