7/16-20 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (650)

3/4 x 18 ITM SDS Plus Hammer Drill Bit

7/8-14 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (60)

5/8-18 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (250)

#29 Heavy Duty Jobber Drill Bit

3/8-16 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) Slotted Hex Concrete Screws 7/16-20 x 1 Grade 53 8 16 x 1 1 2 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