Tapered tool, with a series of teeth of increasing length, that is pushed or pulled into a workpiece, successively removing small amounts of metal to enlarge a hole ... (grinding with extremely fine ...
National Aluminium Company Ltd., incorporated in the year 1981, is a Mid Cap company (having a market cap of Rs 41,480.33 Crore) operating in Metals - Non Ferrous sector. National Aluminium Company ...