4-24 x 1/4 Phillips Indented Hex Washer Self Tapping Screw Type B Fully Threaded Zinc 5/16-18 NTU Their partially threaded design allows

Their partially threaded design allows for flexibility in installation and provides a secure hold

Its hex head provides a secure grip for tightening and loosening with a wrench or socket

These 12-14 x 1 1/2 inch

and is a great choice for any project

The stepped design allows for a secure hold in both materials

4-24 x 1/4 Phillips Indented Hex Washer Self Tapping Screw Type B Fully Threaded Zinc 5/16-18 NTU Their partially threaded design allowsThese 4 24 x 1 4 Phillips indented hex washer self tapping screws are Type B fully threaded screws made of zinc. They have a Phillips drive and a hex washer head. These screws are designed for use in metal and are self tapping, meaning they 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.