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This Instrument is first time manufacture in India. It has made from Closed grained cast FG-200 with artificial seasoning by stress realiving process and highly accurate machining and assembly. This unit havine one bench center to hold the worm shaft up to 450mm length in between center, Worm gear is mounted on mandrel in other end having sliding movement by manually, and spring loaded slide and gear can be up and down for perfect center line. Distance can be measure with Electronic Digital Readout unit with scale. Listcount of DRO 0.005mm
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