8-15 x 1/2 Phillips Full Contour Truss Self Tapping Screw Type A Fully Threaded Black Oxide 7/16-20 The black phosphate coating offers

The black phosphate coating offers corrosion resistance and durability

This 1/4-20 x 1/2 Phillips round washer head machine screw is made of steel and has a zinc finish

while the indented hex washer head provides a large bearing surface for even distribution of load

Whether you're working on a home improvement project or a commercial installation

8-15 x 1/2 Phillips Full Contour Truss Self Tapping Screw Type A Fully Threaded Black Oxide 7/16-20 The black phosphate coating offersThese 8 15 x 1 2 Phillips full contour truss self tapping screws are Type A screws with a fully threaded design. They are made of steel and have a black oxide finish. These screws are designed for use in metal applications and have a sharp point for easy penetration. They are also self tapping, which means they create their own threads as they are driven into the material. These screws are available in a variety of lengths and diameters to meet your