... :used as fasten 1) main machines used: automatic precision lathes, CNC lathes.2) dimension available: out diameter from 0.5 to ... ,washers,standoffs,spacers,pins, shafts,and standard PEM,RAF electronic hardware & components.5) used in many industries: electronic, computer, automobile, machinery ... , sport equipment, musical instrument etc.6) OEM orders are welcome. CNC turning part