Steel moisture-proof plug for bullet

The utility model discloses a steel moisture-proof plug for a bullet, and belongs to the technical field of special bullet design. The upper plane of the damp-proof plug is of a full-plane structure, the damp-proof plug wrench groove is of a through groove design, and the damp-proof plug can be conveniently unscrewed through a tool. The thread pitch of the thread of the moisture-proof plug is designed, and the screwing depth is consistent with the fuse thread or greater than the fuse thread, so that the fuse can be smoothly screwed in place after the moisture-proof plug is screwed off; the outer circle of the moisture-proof plug adopts a reticulate pattern design, so that manual rotation is facilitated; the upper end of the inner cavity of the moisture-proof plug is conical, and the lower end is cylindrical, so that direct machining by a drill bit is facilitated; and the moisture-proof gasket groove is consistent with the moisture-proof gasket in size. In consideration of sufficient strength of the moisture-p