5/16-18 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (800)

1-14 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (55)

1/4-20 x 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (2700)

3/16 x 3 3/4 Phillips Flat Hi-Low Thread Concrete Screws Blue Ceramic Coated (1000)

1-8 x 3 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (35) 3/4-10 Socket Cap Screws Alloy 5/16-18 x 2 1/2 L91 8 x 3 3 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (35) . 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