supply of set of two sub sets of items , set of two sub sets of items required for maintenance of reverser/ ctf servomotor, ep valve fixing mesh doors in wag7 conventional electric locomotives as follows. 1) set of hex head bolt full threade d size: m8 x 25mm,grade: 8.8 as per is: 1364(part-2) along with suitable four m8 nuts, grade: 8.0 as per is: 1364(part-3), four flat washers as per is: 2016 and two spring washers as per is: 3063 for fixing of ctf ep valve & mesh doors. qty/set. = 01 set. 2) set of hex head bolt full threaded size: m8 x 40mm,grade: 8.8 as per is: 1364(part-2) along with suitable four m8 nuts, grade: 8.0 as per is: 1364(part-3), four flat washers a s per is: 2016 and two spring washers as per is: 3063 for provision of ctf & reverser servomotor. qty/set. = 01 set. makes: tvs/lps/unbrako/bmi/dfl or their equivalent. note: one sample set of each items should be get approved before effecting bulk supply. [ warranty period: 30 months after the date of delivery ] ]