Large washer head provides maximum bearing area (0

Tensile strength (not pull out) will meet a minimum of 60

1/4 x 16 ITM SDS Plus Hammer Drill Bit

5/64 Cobalt Heavy Duty Jobber Drill Bit

3/8-24 x 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 7/16-20 Grade 5 Hex Cap Screws Plain - Domestic USA Large washer head provides maximum3 8 24 x 3 4 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