... Precision Surface Grinder. 1.Usage:Hardware surface polish. 2.Precision Accuracy:+/-0.002MM. Main Usage:high precision grinding machine on metal surface, it's expert in polishing surface, high precision ... :Thailand, Philippine, Malaysia, Vietnam, Indonesia,Kazakhstan, USA. India....618S High Precision Surface Grinder Main Technical Parameter.NO.DescriptionUnit Model618S1Table Size (L × W ...