hex head bolt m20x70 mm long half threaded property class 8 8 with one casle nut as per is 1364 part 1 2002 with split pin hole of dia 5 mm at 8 mm distance from bottom along with one spring washer as per is 3063 1994 or latest plain washer as per is 2016 1967 and split pin size 5x50 mm long to is 549 2005 warranty period 30 months after the date of delivery quantity tolerance 5 age item category normal total po value variation permitted max 8 lacs