6-20 x 1/2 Unslotted Indent Hex Washer Self Drill Screw Full Thread 18-8 Stainless Steel WCBZ It has both external and

It has both external and internal teeth

It has a partially threaded shank with a 6" thread length and an undersized body for use in applications where a smaller head size is required

a 12-thread pitch

including drywall installation

6-20 x 1/2 Unslotted Indent Hex Washer Self Drill Screw Full Thread 18-8 Stainless Steel WCBZ It has both external andThese 6 20 x 1 2" unslotted indent hex washer self drill screws are made of 18 8 stainless steel, providing excellent corrosion resistance. They feature a full thread design for maximum holding power and a hex washer head for easy driving. The self drilling tip eliminates the need for pre drilling, saving time and effort. These screws are ideal for a wide range of applications, including fastening metal to metal, wood to metal, and plastic to metal.