1/2-13 x 7/8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

3/4-16 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (400)

• Thread Dimensions: ASME B1

1 3/8-6 x 4 1/2 Socket Cap Screw Alloy

7/16-20 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (250) 6" Aircraft Bits Cobalt - Wire Gauge 1/2-13 x 7/8 Grade 87 16 20 x 3 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (250) . 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