Description: 410 Stainless Steel - Made of higher strength 410 stainless steel material with oxidation black finish, it has good hardness, corrosion resistance, and rust resistance that provides a firm fixing indoors and outdoors, not easy to deform or fade Self-Tapping and Hex Drive - With drill tail, it can drill well into wood, sheet metal, thin sheet, plastic, and other surfaces, the precision thread can reduce the resistance when screwing in and prevent cracking. The washer head helps maintain a secure fit without the need for additional washers, it does not slip easily during installation Good Effect - Self-drilling screws do not require a drilled hole and are suitable for fixing and joining metal hardware to the wood or metal plate well, the sheet metal screws can provide good retention on various surfaces. Fit for home, shop, garage, office, and more. Please confirm the thread size and length before purchasing them Wide Application - Widely used in various conditions such as manufacturing, construction, engineering, electrical equipment, office equipment, mechanical industry, and furniture assembly Specification: Material: 410 Stainless Steel Finish: Black Oxidation Finish Thread Size: #14 x 4" (D*L) (Head not included) Hex Drive Size: 9.5mm / 0.37-inch Head Thickness: 5.6mm / 0.22-inch Flange Diameter: 12.5mm / 0.49-inch Product Name:50Pcs x Self Drilling Screws
