... treatment & assebmling Item Name Hight precision CNC metal Machining Parts With Center Less Grinder Product descriptionEquipment ... machine ,drilling machine ,tapping maching,chamfering machine Material: Aluminum , Copper , Carbon steel , Stainless steel , Nylon ... +/-0.01mmCraft: cutting, CNC, GrindingProcessing Method: Turning, Stamping, Die/pressure casting, CNC processsing, Punching, Riveting, ...