1/2-13 x 5 1/4 Hex Cap Screw SS 316 (A4)

3/8-16 x 3 Hex Sleeve-All™ 304 SS (50)

3/8-16 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

1 3/8-6 x 20 Socket Cap Screw Alloy

5/8-11 x 4 1/4 Hex Cap Screw SS 18-8 (A2)

3/8-16 x 5 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (175) 1/2-13 Socket Set Screws Cup Point Alloy 1/2-13 x 5 1/4 Hex3 8 16 x 5 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (175). 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 diameters 1 4