First, the screw mold factory uses good molds, good screw machines, good cavities, and technical staff who are skilled in production. Have good molds, good production machines, and experienced technical personnel. It is the guarantee to make a good quality combination screw.
Second, the level of professional skills in the quality department. Every staff member of this quality department must be familiar with every link in the production process, so as to better detect the quality of the combined screws in time. Ensure that problems occur in a timely manner, and solve the problem of bad problems in the teeth.
Third, it is the plating, hardening, salt spray test, strong pulling force, torque and other issues have to be well controlled. Go according to customer requirements. In accordance with national standards for production and manufacturing, quality testing.