Flange face bolt

The utility model discloses a flange face bolt, it is convenient to aim at providing an use, the bolt that structural strength height and practicality are strong, its technical scheme main points areconnectors between the the bolt head and the body of rod, the connector includes the lower attachment surface who goes up the connection face and be connected who is connected with the bolt head withthe body of rod, upward be equipped with the supporter that sets up in the bolt head week side on the connection face, convex structure is personally submitted to the outward appearance of supporter,lower attachment surface is including setting up in interior concave surface and the setting and the all side edge face who inclines of interior concave surface of body of rod week side, side edge face is last to be equipped with a plurality of non -slip raised, and the proportion between the area of interior concave surface and side edge face's the area is 2: 1, the utility model is suitable fora fastener technical field.