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 che ck nuts, 1. bolt size : m 12 x 60 mm conforming to is 1367 - 1 no. 2. nut of property class 10.9 - 01 nos. 3. plain washer is 2016- 02 no. 4. spring washer is 3063/2002- 01 no. 5. check n ut of size m12 is 1364 part 4 - 01 no. 6. split pin to is 549 size 3.2 mm x28 mm with pin hole o f distance 4 mm from the free end for split pin as per is 549. -1 no. make:tvs/unbrako/d fl/lps/tuff. mfg. t.c to be provided with material. [ warranty period: 30 months after the date of delivery ] => limited