supply of set of the head bolt m10x30 with spring washer & hex nut.set of the head bolt m10x30 with spring washer & hex nut.,set of the head bolt m10x30 with spring washer & hex nut for dirt collector of air brake wagons. (i)- as per rdso drg.no. wd-92051-s-05 item no.8 & alt.no.05 or latest for bolt (ii)- as per rdso drg.no.wd-92051-s-03,item no. 8 & 9,alt.no.04 or latest or latest fo r spring washer & nut [ each set consisting 04 nos bolts with spring washers & hex nut ] [ warranty period: 30 months after the date of deli very ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] sr.section engineer wagon body gujarat 4320.00 set