* Thread Diameter: M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20
* Thread: Metric / Coarse Thread
* Pitch: M2*0.4 / M2.5*0.45 / M3*0.5 / M4*0.7 / M5*0.8 / M6*1 / M8*1.25 / M10*1.5 / M12*1.75 / M14*2 / M16*2 / M18*2.5 / M20*2.5
* For specific parameters, pls refer to the attached parameter diagram