5/16 x 1/2 Round Head Type U Drive Screw Zinc NR8 They are available in a

They are available in a variety of lengths to accommodate different decking thicknesses

This 1/2-13 x 1 1/2 inch carriage bolt is fully threaded and coated with black oxide and oil for corrosion resistance

while the Phillips flat head allows for easy installation with a standard screwdriver

and its fine thread provides a secure hold

5/16 x 1/2 Round Head Type U Drive Screw Zinc NR8 They are available in aThe 5 16 x 1 2 Round Head Type U Drive Screw Zinc is a versatile fastener designed for various applications. Its round head provides a smooth, finished appearance, while the Type U drive requires a square driver for installation. The 5 16 inch diameter and 1 2 inch length make it suitable for medium duty fastening tasks. The zinc coating offers corrosion resistance, ensuring durability in both indoor and outdoor environments. This screw is commonly