8" fastener - Double 2x to Single 4x Decking Posts

13/16 x 21 ITM SDS Max X-Cutter Hammer Drill Bit

11/64 Cobalt Heavy Duty Jobber Drill Bit

6-20 x 1 Phillips Drywall Self Drill Screw Zinc Plated (10000)

3/8 x 2 1/2 Titen HD Concrete Anchor Zinc Plated (50)

3/4-16 x 8 Grade 8 Hex Cap Screw Yellow Zinc Plated 3/4-10 Carriage Bolts 18-8 Stainless Steel 8" fastener - Double 2x3 4 16 x 8 Grade 8 Hex Cap Screw Yellow Zinc Plated . Grade 8 Hex Cap Screws are manufactured 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 to 2 1 2 inches is