#37 x 6 High Speed Aircraft Bit Cobalt

1 1/4-7 x 8 Socket Cap Screw Alloy

9/16-18 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (350)

You’ll often see them used in structural projects

3/4-16 x 6 Socket Cap Screw Alloy

9/16-12 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) 12" Aircraft Bits - Fractional #37 x 6 High Speed9 16 12 x 1 1 2 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