5/16-18 x 1 Phillips Flat Machine Screw Fully Threaded Black Oxide NH188SP This 3/8-16 x 1/2 Hex

This 3/8-16 x 1/2 Hex Cap Screw is made of Grade 2 steel and has a black oxide and oil finish

Yellow Zinc-plated for enhanced corrosion resistance

They are fully threaded and have a yellow zinc finish for corrosion resistance

or performing repairs

It is ideal for use in framing

5/16-18 x 1 Phillips Flat Machine Screw Fully Threaded Black Oxide NH188SP This 3/8-16 x 1/2 HexThe 5 16 18 x 1 Phillips Flat Machine Screw Fully Threaded Black Oxide is a type of screw that is used in a variety of applications. It is made of steel and has a black oxide finish. The screw has a Phillips head and is fully threaded. It is 1 inch in length and has a diameter of 5 16 inches. The screw is designed to be used in metal and wood applications.