... metallic; grinding machine Brief: 1. Obtain surface roughness less than Ra0.1 easily; 2.Suitable for different shapes,such as cylindrical,internal,screw ... used in all kinds of machine tools,such as lathe,grinding machine,boring machine,milling machine,planning machine,spherical lathe and CNC machine tools,ect, just only ... any materials from the surface. JINGTA JTSU30-1 Cylindrical grinding machine