whether they are industrial

1/2 x 5 Titen HD Concrete Anchor Zinc Plated (20)

1/4 x 2 Simpson Strong-Drive® SDS Heavy-Duty Connector Screw Double-Barrier Coating - Box (250)

Socket Cap Screws in 18-8 Stainless Steel by Brighton Best

9/16-18 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) Strong-Drive SDWH Timber-Hex Screws Double-Barrier Coated whether they are industrial9 16 18 x 3 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