The steel wire screw sleeve forms an elastic connection between the screw and the internal thread of the matrix, eliminates the thread manufacturing error, and has high connection strength. In addition, it also has the functions of earthquake resistance, impact resistance and wear resistance.
The diameter of the steel wire screw sleeve in the free state is slightly larger than the diameter of the screw hole into which it is installed. During assembly, the steel wire screw sleeve is torqued by a special wrench to reduce its diameter
