2 3/4-4 A563 Grade A Heavy Hex Nut Zinc Plated

5/8-18 x 1 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (225)

3/4-16 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

3/16 x 3 1/4 Slot Hex Hi-Low Thread Concrete Screws Blue Ceramic Coated (1500)

3/4-16 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (80) 5/8-11 Hex Tap Bolts 18-8 Stainless Steel 2 3/4-4 A563 Grade A3 4 16 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (80) . 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