1, Swiss-type lathe machining 2, High Precision, long length 3, Secondary process, plating, anodizing 4,L/Dia. 5~12 ... Drilling Milling Knurling Threading Tapping slotting .... OD Φ0.5~Φ25mm, length 2mm~70mm, precision +/-0.005mm tol. Finish: Ni, Zn, Ag ...