Tender For supply of tungsten carbide tamping tool (tctt) set for pctm as per specification no. tm/hm/6/320 (rev-3) & drawing no. -1. rdso/tm/01a/16=08 nos. in a set 2. tmd/jhs/tm/pctm=08 nos. in a set(total no. of tool in a set is 16 nos.) warranty- the life of tctt in a set shall be guaranteed for tamping of min. 250000 insertions however, min. service life of any one tctt shall not be less than 50000 insertions.