2 Head Types:Hex Washer/Phillips Round Head. The phillips groove design is convenient and quick to install, the hex washer has stronger bearing capacity and stability. The thread is smooth and complete and sharp,the force is even, and it is not easy to slip or deform.
Multiple Size :404pcs self drilling screws include #8x1/2”, #8x5/8”,#8x3/4”, #8x1”, #8x1-1/4”, #8x1-1/2”, #10x1/2”, #10x5/8”,#10x3/4”, #10x1”, #10x1-1/4”, #10x1-1/2”.total of 24 common sizes to meet your different needs
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.
Storage Box: All of Sheet Metal Screws are packed in a durable and sturdy Box, the screws are classified according to the size and stored in compartments of the box. The size table corresponding to the grid is attached. The size can be easily identified, which is convenient to carry and store.
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
