1/2-13 x 16 A307 Grade A Carriage Bolt HDG

#35 Heavy Duty Jobber Drill Bit

1-8 x 9 Simpson Wedge Anchor 303 SS (5)

#16 Heavy Duty Jobber Drill Bit

3/16 x 4 Powers Round Toggle Bolt Zinc Plated (50)

1/2-20 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (225) 9/16-12 Grade 8 Hex Cap Screws Plain - Domestic USA 1/2-13 x 16 A307 Grade1 2 20 x 2 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (225). 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