2Pcs M8x30mm Iron Self-Tapping Phillips Drive Serrated Flange Hex Head Screw

Iron construction with zinc plated for good corrosion resistance. Self-tapping screws are widely applied in many occasions. Flange hex head has the same characteristic as external hex with washer. Flange provides a bearing surface for load distribution. Sharp tail for easy drilling there is no need to drill a hole in advance. Features hex head with serrated flange self tapping thread external hex or phillips drive.