supply of set of items consisting of 1) hexagonal head bolt of size m 20 x 2.5 x 70mm (thread length = 50 mm) with nut, lock nut, plain washer and spring washer. grade 10.9 , matl specn of bolt ?is-1364. prop cl - 10.9 as per is 1367 and matl specn of spring washer - ls-3063 make of bolt - unbrako./tvs/lps/ vardhaman or similar. , 2)hex head cap screw full threaded -- size m20 x 2.5 x 55 mm with platn washers- 2 nos and spring washer -1 no matl specn of bolt - is -1364, prop cl - 10.9 as per is 1367 and matl specn of spring washer - is-3063 make of bolt - unbrako/tvs/lps/vardhaman or similar.set of items consisting of 1) hexagonal head bolt of size m 20 x 2.5 x 70mm (thread length = 50 mm) with nut, lock nut, plain washer and spring washer. grade 10.9 , matl specn of bolt ?is-1364. prop cl - 10.9 as per is 1367 and matl specn of spring washer - ls-3063 make of bolt - unbrako./tvs/lps/ vardhaman or similar. , 2)hex head cap screw full threaded -- size m20 x 2.5 x 55 mm with platn washers- 2 nos and spring washer -1 no matl specn of bolt - is -1364, prop cl - 10.9 as per is 1367 and matl specn of spring washer - is-3063 make of bolt - unbrako/tvs/lps/vardhaman or similar.,set of items consisting of 1) hexagonal head bolt of size m 20 x 2.5 x 70mm (thread lengt h = 50 mm) with nut, lock nut, plain washer and spring washer. grade 10.9 , matl specn of bolt ?is-1 364. prop cl - 10.9 as per is 1367 and matl specn of spring washer - ls-3063 make of bolt - unb rako./tvs/lps/ vardhaman or similar. , 2)hex head cap screw full threaded -- size m20 x 2.5 x 55 m m with platn washers- 2 nos and spring washer -1 no matl specn of bolt - is -1364, prop cl - 10. 9 as per is 1367 and matl specn of spring washer - is-3063 make of bolt - unbrako/tvs/lps/var dhaman or similar. [ warranty period: 30 months after the date of delivery ] ]