6-20 x 1/2 Phillips Flat Self Tapping Screw Type AB Fully Threaded Black Oxide 1/4-20-.140 This 10-24 x 1/2 slotted

This 10-24 x 1/2 slotted truss machine screw is fully threaded and made of zinc-plated steel

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

and other masonry surfaces

The indented hex washer head provides a secure hold and prevents slippage during installation

6-20 x 1/2 Phillips Flat Self Tapping Screw Type AB Fully Threaded Black Oxide 1/4-20-.140 This 10-24 x 1/2 slottedThese 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