supply of hex head bolt m24 x 90 - 10.9 and prevailing torque type nut m24 with interl ock washer to drg. no. icf/std-2-2-009, alt.j/nil, item 12,14 &15 and to specn.no. icf str n o. icf/md/spec -252 rev.0 of aug 13 with amdt. no. 4 of june 2022. the brands of the bolt, nut and interlock washer should be as per drawing except lps [ warranty period: 30 mo nths after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs