4.These Self drill Screws are perfect for use wood, fiberglass, and metal.The drill point enables it to drill its own hole in thin gauge steel,No pre-drilling necessary
1. Screw Diameter Type, Assorted Kit of Self-Tapping Drilling Metal Screws in Sizes 8, 10, and 12.
3.High Quality,Made of 410 Stainless Steel ,which is one of the highest forms of corrosion resistant steel, making it last longer than other hardware on the market today