The utility model discloses a radial lock nut ann tears ware open, including transmission cylinder and anti -slip handle, be provided with a plurality of regulation and control nuts on the transmission cylinder, the both ends of transmission cylinder are provided with the steady fixed ring of O type, and the steady fixed ring's of O type inboard is provided with a plurality of flange card keys, and the inboard of transmission cylinder is provided with the expansion sleeve pipe, and anti -slip handle's one end is provided with the loss prevention steel ball, and one side of loss prevention steel ball is provided with the spring. The utility model relates to a radial lock nut ann tears ware open, can effectively solve the problem that radial lock nut ann tore open, maintenance duration has been saved, the accident potential has solved, the safety in production has been realized, installation locking simultaneously is convenient, dismantle not hard up swiftly, use safe and reliable, solved under specific condition, dismantle the problem with the radial lock nut of fastening difficulty, eliminate the potential safety hazard, the maintenance time is saved, can just not scrap because of damaging the edge, the material has been practiced thrift, the benefit has been increased.