9/16-12 x 1 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (250)

1/2-13 x 5 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

Chemical Composition:

9/16-12 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (300)

1 1/4-12 x 6 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (18)

9/16-18 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) Phillips Flat Self Drilling Cement Board Screws with Wings 9/16-12 x 1 3/4 Grade9 16 18 x 2 1 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