Tensile strength on diameters 1/4 to 2 1/2 inches is a minimum of 150

#22 Heavy Duty Drill Bit - Stubby Length

5/16-18 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (1200)

1 1/4 x 36 ITM SDS Max X-Cutter Hammer Drill Bit

1-8 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated

5/16-18 x 3 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (50) Powers Nail-in Anchors Stainless Steel Tensile strength on diameters 1/45 16 18 x 3 1 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