6-20 x 1/4 Phillips Flat Undercut Self Tapping Screw Type AB Fully Threaded Zinc NSY and other structural projects

and other structural projects

They have a combination Phillips and slotted drive for easy installation and removal

It features a 3/8-inch diameter and a 16 threads per inch (TPI) coarse thread pitch

Made of hardened steel

6-20 x 1/4 Phillips Flat Undercut Self Tapping Screw Type AB Fully Threaded Zinc NSY and other structural projectsThese screws are designed for use in metal applications. They have a flat undercut head that sits flush with the surface of the material, and a self tapping tip that creates its own threads as it is driven in. The screws are fully threaded, providing maximum holding power. They are made of zinc plated steel for corrosion resistance.