6-20 x 1/2 Phillips Flat Self Tapping Screw Type AB Fully Threaded Black Oxide 1/4-20-.140 and other masonry surfaces

and other masonry surfaces

while the black oxide and oil finish enhances corrosion resistance and provides a sleek appearance

the 1/2-20 Finished Hex Nut Steel Zinc is the perfect choice

The screw is designed to be used with a 3/8-inch nut

while the 6-lobe truss head offers a low profile and prevents cam-out during installation

6-20 x 1/2 Phillips Flat Self Tapping Screw Type AB Fully Threaded Black Oxide 1/4-20-.140 and other masonry surfacesThese 6 20 x 1 2 Phillips Flat Self Tapping Screw Type AB Fully Threaded Black Oxide screws are designed for use in a variety of applications. They are made of steel and have a black oxide finish for corrosion resistance. The screws have a flat head and a Phillips drive. They are self tapping, which means they can create their own threads in the material they are being driven into. These screws are fully threaded, which means they have threads along