9/16-18 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

1/2-20 x 1 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

3/4 x 8 ITM SDS Plus Hammer Drill Bit

4-40 x 3/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

1/2-13 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

3/4-10 x 1 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) Long Arm Hex Keys Alloy - Metric 9/16-18 x 4 Grade 53 4 10 x 1 3 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