set of hex head bolts set consisting of 2 items as given below 1 bolt hex head size m 16 x70mm as per is 1364 grade 8 8 01 no set 2 high tensile hex head bolt to size m12x40mm with suitable nut as per is 1367 and spring washer to is 3063 class 8 8 01 no set bolt ma ke tvs vif lps dfl unbrako gkw boltmaster or pfl only note firm should submit authorised dealership certificate along with tender otherwise offer will not be considered warranty period 30 months after the date of delivery