Micro External Grinding Machinemicro External Grinder. Our main product are Air tapping machine, Electric tapping machine,Drill grinder, end mill grinder, screw tap grinder, chamfering machine, cutter grinder, Tool grinder, saw blade sharpener, lathe tool grinder, ejector pin cutting off machine, dividing head, rotary table etc. Product have reliable quality and long term export to USA, Europe ...