Flat Head Self Drilling Screws . 6 X 3/4",6 X 3/4",6 X 1",6 X 1 1/4" Composed of high-quality stainless steel that is difficult to bend or break with regular usage. They offer excellent oxidation and rust resistance in damp environments, resulting in a lengthy service life. We use very accurate cutting technology to create deep, clean threads on our self-drilling drywall screws that adhere to the established metric system. And there is often less than 0.01mm of inaccuracy. The self drilling wood tiny screws are mostly employed for taping and attaching thin materials, including metal, plastic, gypsum boards, wooden boards, ceilings, and partitions. Excellent for carpentry, home renovation, instruments, watches, clocks, screws for electrical device attachments, and other do-it-yourself crafts.