Thread Size: #6 x 7/8'; Package Content: 100pcs x Phillips Head Self Tapping Screws Made of 304 stainless steel, sturdy and durable, can adapt to various indoor and outdoor environments. The self-tapping screws can drill well into wood, sheet metal and other surfaces. It can also connect metal hardware to the wood well because the fully threaded rods provide good retention in the wood. Widely used in various industries such as manufacturing, construction, engineering, and assembly.