Fastening tool for gland nut of fuel tank

The utility model discloses a fastening tool for a gland nut of a fuel tank. The fastening tool comprises a handle, a fastening cover and two or more clamping claws, wherein the handle comprises an ejecting rod and a connecting rod; one end of the connecting rod is fixedly connected onto the middle of the ejecting rod; the connecting rod is perpendicular to the ejecting rod; the fastening cover is fixedly connected onto the other end of the connecting rod; the clamping claws are fixedly connected with the lower part of the fastening cover, distributed in a centrosymmetrical manner in a circumferential direction, and suitable for being inserted into the grooves formed in the periphery of the gland nut so as to drive and fasten the gland nut. The fastening tool for the gland nut of the fuel tank has the advantages that the gland nut of the fuel tank can be screw tightly, and the working efficiency of vehicle assembly can be improved.