1/2 x 12 High Speed Long Boy

1/2-20 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (400)

9 x 2 1/2 Star Flat Decking Screws w/ NIBS Yellow Zinc Plated T17 - Carton (2500)

5/16-18 x 2 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (550)

9/16-12 x 5 Grade 8 Hex Cap Screw Plain Domestic USA (25)

5/8-11 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) 1/2-13 Socket Cap Screws Zinc Plated 1/2 x 12 High Speed5 8 11 x 5 1 2 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