hand grinding iron smoothing machine,
Tool School: Cut, Grind, and Polish with the Versatile Angle Grinder
May 13, 2015 . Angle grinders are categorized by disc/wheel size and amperage. . uses aluminum oxide as an abrasive to cut rebar, rusted bolts, and iron fencing. . A polishing wheel or buffing pad will bring aluminum back to it's shiny self.