supply of set of high tensile hexagonal head boltset of high tensile hexagonal head bolt,set of high tensile hexagonal head bolt fully threaded and nuts and check nuts, bolt size :m 12 x 60 m m conforming to is 1367 and nut of property class 10.9 with 02 nos. plain washer to is 2016, 01 no. spring washer t o is 3063/2002 and 01 no. check nut of size m12 and 01 no. split pin to is 549 size 3.2 mm x 28 mm with pin hole of dista nce 4 mm from the free end for split pin as per is 549. accepted make for bolt and nut is unbrako/tvs/lps,whereas pl ain washer, spring washer and split washer must be supplied as per mentionedi.s. (mfg. t.c. from nabl accredited labor atory to be to be provided with material. [ warranty period: 30 months after the date of delivery ] ] => limited