1/4 x 2 3/4 Slotted Hex Hi-Low Thread Concrete Screws Blue Ceramic Coated (1000)

#48 Heavy Duty Jobber Drill Bit

1 1/2-6 x 20 Socket Cap Screw Alloy

9/16 x 6 ITM SDS Plus eVolution™ Hammer Drill Bit

5/16-24 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) 7/16-20 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 1/4 x 2 3/4 Slotted5 16 24 x 3 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated 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