10-16 x 5/8 Unslotted Hexwasher Serrated Self Drilling Screw Full Thread Zinc & Bake 10-32-2B The screw is fully threaded

The screw is fully threaded and has a truss head

The bolt has a fully threaded shank for maximum holding power

and the tab is spot welded to one of the pieces

This 1/4-20 x 4 1/2 Unslotted Indented Hex Washer Head Machine Screw is fully threaded and made of zinc

10-16 x 5/8 Unslotted Hexwasher Serrated Self Drilling Screw Full Thread Zinc & Bake 10-32-2B The screw is fully threadedThese 10 16 x 5 8" Unslotted Hex Washer Serrated Self Drilling Screws are designed for fastening metal to metal. They feature a hex washer head for increased bearing surface and a serrated point for easy penetration into metal. The self drilling tip eliminates the need for pre drilling, saving time and effort. These screws are made of hardened steel and zinc plated for corrosion resistance. They are suitable for both indoor and outdoor applications.