Self-tapping screw SGM 3.5x25 sharp coarse thread zinc (pack 1000pcs) Promrukav PR08.8055

SGM self-tapping screw is made of alloy steel, with a zinc coating and white passivation. Used for connecting thin-walled steel elements and sheet metal. The screw is installed using a screwdriver or a drill. When driving the screw into a metal surface, a mark is first made with a center punch.