... 3.ISO2008 1. metal shafts, rotating shaft, axis of rotation, revolving shaft, moment axis, precision parts, hinge2.Model:SX-013.material: stainless ... ,Automatic Recording instrument,Computer,Precision Printers and so on.Optical axis can also extend the uselife of industrial automatic machine. 7 ... about a month3) As per clients' actual needOur workshop Optical Axis,Linear Shaft 50mm