tender for diamond turning tool suitable for turning of commutator of hitachi tm confirming to smi no.rdso/elrs/smi/29 as per detail given in annexure a, make - m/s. emt , m/s. martindale, m/s. sandvik, m/s.mexicut, m/s. miranda and m/s. apex diamond make only. in oem temper proof sealed container. suppliershould submit certificate of purchase from oem or oem authorised dealer.