Use for projects exposed to harsh marine or many chemically caustic conditions

5/16 x 12 ITM SDS Plus eVolution™ Hammer Drill Bit

acceptable for ACQ pressure treated lumber

7/8-14 x 3 1/2 Hex Cap Screw SS 18-8 (A2)

9/16 x 6 Reduced Shank Drill Bit (1/2 Shank)

1/4-28 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) Grade 2 Square Nuts Plain Use for projects exposed to1 4 28 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