1/2-13 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

9/16-12 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (800)

5/8-18 x 2 1/2 Flat Socket Cap Screw Alloy

#18 Heavy Duty Drill Bit - Stubby Length

7/8-9 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15)

3/8-16 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (675) 7/16-14 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA 1/2-13 x 5 1/2 Grade3 8 16 x 1 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (675) . 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