4-40 x 5/16 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

#45 Heavy Duty Jobber Drill Bit

1/2-13 x 8 Flat Socket Cap Screw Alloy

1/4-28 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (750)

1-8 x 2 Grade 8 Hex Cap Screw Plain Domestic USA (50) 7/8-14 Grade 5 Hex Cap Screws Zinc Plated 4-40 x 5/16 Phillips Flat1 8 x 2 Grade 8 Hex Cap Screw Plain 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 diameters 1 4 to 2 1