Made of 410 stainless steel with blackening finish, it has higher hardness, corrosion resistance and rust resistance, and provides a firm fixing indoors and outdoors.The self-drilling screws can drill well into the sheet metal and other surfaces. The thread can reduce the resistance when screwing in and prevent cracking.Widely used in various industries such as manufacturing, construction, engineering, and assembly.Specification:Material: 410 Stainless SteelFinish: BlackeningThread Size: #8 x 1-1/4"Screw Head Size: 8.5 x 3.7mm / 0.33" x 0.15"(D*T)Hex Width: 6.25mm / 0.25"Package Content: 50pcs x Hex Washer Self Drilling Screws
