#34 Heavy Duty Jobber Drill Bit

#21 x 6 High Speed Aircraft Bit Cobalt

3/4 x 7 Hex Lag Screw Hot Dipped Galvanized

5/8-11 x 10 A307 Grade A Carriage Bolt Zinc Plated

3/32 x 12 High Speed Aircraft Bit Cobalt

1/4-28 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (450) Drop-In Anchor Setting Tools - Clearance #34 Heavy Duty Jobber Drill1 4 28 x 4 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (450) . 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