21/64 x 12 High Speed Aircraft Bit Cobalt

towers and other commercial structures

3/8-24 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (450)

1 1/2-6 x 4 Socket Set Screw Cup Point Alloy

1/4 x 4 Flat Split Drive Anchor Mech Galv(100)

7/16-20 x 3 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (25) Gutter Screws 21/64 x 12 High Speed7 16 20 x 3 1 4 Grade 8 Hex Cap Screw Plain 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 diameters 1 4