Universal fastening device for bottom screw parts

The utility model relates to a universal fastening device for bottom screw parts, and belongs to the technical field of ammunition warheads. The tool comprises a handle (1), a sliding block (2), a fastening screw (3), a fixed connecting piece (4) and a sliding connecting piece (5), a plurality of threaded holes are formed in the upper surface of the handle (1), the handle (1) is sleeved with the sliding block (2), the sliding block (2) is in transition fit with the handle (1) and can freely slide on the handle (1), threaded through holes are formed in the middles of the upper surface and the lower surface of the sliding block (2), and the fastening screw (3) is arranged in the threaded through hole formed in the lower surface of the sliding block (2). A sliding connecting piece (5) is arranged in a threaded through hole formed in the upper surface of the sliding block (2), and the fixed connecting piece and the sliding connecting piece are properly replaced, so that the bottom bolt fixing device can be suitab