5/16-20 x 4 Phillips Flat Self Tapping Screw Type A Fully Threaded Zinc NR8 This reversible lock nut features

This reversible lock nut features a hex shape for easy installation and removal

and construction applications where secure and reliable fastening is required

and other industries for securing various components

1/4" SAE Flat Washer

5/16-20 x 4 Phillips Flat Self Tapping Screw Type A Fully Threaded Zinc NR8 This reversible lock nut featuresThese 5 16 20 x 4 Phillips flat self tapping screws are Type A fully threaded screws made of zinc. They have a Phillips drive and a flat head. These screws are designed for use in metal applications and are self tapping, meaning they can create their own threads as they are driven into the material. They are fully threaded, which means that the threads extend the entire length of the screw. The zinc coating provides corrosion resistance.