1/2-20 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (150)

Less breakage

1/2-20 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (225)

1 3/8 x 17 ITM SDS Max X-Cutter Hammer Drill Bit

8 x 2 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - 5 lbs Pack (640)

3/8-16 x 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (250) 3/4-10 A307 Grade A Carriage Bolts Hot Dipped Galvanized 1/2-20 x 4 Grade 83 8 16 x 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (250) . 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