Strengths:
Critical issues during assembly were solved, such as thread failure, no enough torque, and crack, which gained customer’s trust.
Challenge:
It’s used for rearview mirror of vehicle, which has specific requirement during bending test. No breakage is allowed.
No breakage on both sides of the thread is allowed, and the exact same torque is required.
High requirements for the opposite angles of the hexagon and the roundness of washer.
