supply of set of hex head bolts consisting of two items as per details given below for the maintenance of hhp diesel locomotivesset of hex head bolts consisting of two items as per details given below for the maintenance of hhp diesel locomotives,set of hex head bolts consisting of two items as per details given below for the maintenance of hhp diesel locomotives (1) hex head bolt 7/16 inch - 14tpi x 2- 1/2 inch long to emd part no. 454934/dlw part no. 190 13036 - qty. 01 no. (2) bolt hex head 7/16 inch - 14tpi x 1-7/8 inch as per emd drg. no.9418045- qty. 01 no (sl.no . 1 + 2 = 01 set) make: tvs/ unbrako/ dfl/ pooja or equivalent [ warranty period: 30 months after the date of delivery ] ]