1/2-13 x 1 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

5/8 x 8 Ship Auger Wood Bit

8 x 2 Simpson Mod Truss-Head Self-Drilling Wire Lath Screws - Phillips Drive 410 SS - Box (100)

frictional fit restricting movement of the screw when it is subjected to vibration

3/8-16 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

1/2-20 x 1 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (50) Square Drive Framing Screws 1/2-13 x 1 3/4 L91 2 20 x 1 1 4 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