1/2-13 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (150)

1-8 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (25)

Bold thread design that provides superior holding power

13/32 x 12 High Speed Long Boy

1/4-20 x 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

1/2-13 x 5 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 9/16-18 Socket Cap Screws Alloy 1/2-13 x 4 1/2 L91 2 13 x 5 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . 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