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

1/2-20 x 5 Hex Cap Screw SS 316 (A4)

3/8 x 4 Powers Round Toggle Bolt Zinc Plated (25)

5/16-24 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

5/8-11 x 6 Hex Sleeve Anchor Zinc Plated (10)

5/8-18 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) 5/8-11 Grade 8 Hex Cap Screws Yellow Zinc Plated 4-40 x 3/8 Phillips Flat5 8 18 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