1/2-13 x 6 1/2 Hex Cap Screw SS 316 (A4)

10-32 x 3/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

5/16-18 x 3 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (400)

1-14 x 8 Socket Cap Screw Alloy

1-12 x 4 1/2 Socket Cap Screw Alloy

1/4-20 x 5/8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 5/8-18 Grade 8 Hex Cap Screws Plain - Domestic USA 1/2-13 x 6 1/2 Hex1 4 20 x 5 8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . 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