Self-tapping screw SGD 4.2x90 sharp rare pitch PH2 (pack 1000pcs) Promrukav PR08.8205

Wood and drywall screw with a countersunk head, sharp tip, and coarse thread, used for fastening wooden elements together or mounting structures to wooden bases or drywall. Black SGD screw is made of carbon steel and then undergoes a phosphating process for better corrosion resistance. If necessary, it can be easily combined with a wall plug.