1/2-13 x 4 1/2 Hex Cap Screw SS 316 (A4)

5/16-18 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

9/16-18 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

50 x 80 Socket Cap Screw 12

50% more holes

7/16-14 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (275) 6" Aircraft Bits - Wire Gauge 1/2-13 x 4 1/2 Hex7 16 14 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (275). 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 to