1/4-28 x 5/8 Grade 5 Hex Cap Screw Plain Domestic USA (3000)

3/4-16 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (60)

They are also acceptable for use in ACQ pressure-treated lumber

9/16-18 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

1-12 x 2 Socket Cap Screw Alloy

1/2-13 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) 7/16-14 Hex Tap Bolts 18-8 Stainless Steel 1/4-28 x 5/8 Grade 51 2 13 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) . 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