5/16 Heavy Duty Jobber Drill Bit

7/16-14 x 3 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (250)

1-14 x 6 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

6-32 x 1/4 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

3/8-24 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (225) 9/16-18 Socket Cap Screws Alloy 5/16 Heavy Duty Jobber Drill3 8 24 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (225) . 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