✔️ Thread Pitch:M8 x 1.0, M8 x 1.25, M10 x 1.0, M10 x 1.25, M12 x 1.0, M12 x 1.25, and M14 x 1.0, M14 x 1.25. Just select the correct thread size to connect to the damping rod. The thread adopts a split design to avoid working difficulties caused by excessive thread depth.