7/8-14 x 6 Grade 5 Hex Cap Screw Zinc Plated

5/8 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

1 1/2-6 x 5 A307A Hex Bolt Zinc Plated

#17 x 6 High Speed Aircraft Bit Cobalt

Designed to drill through steel

7/16-20 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) 9/16-12 Hex Cap Screws 18-8 Stainless Steel 7/8-14 x 6 Grade 57 16 20 x 3 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