19/32 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

1/2-13 x 3 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (175)

3/4-10 x 10 A307 Grade A Carriage Bolt Zinc Plated

5/8-11 x 2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

47/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

5/8-11 x 1 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (175) 6" Aircraft Bits Cobalt - Wire Gauge 19/32 x 6 Reduced Shank5 8 11 x 1 3 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