supply of hexagon head screwhexagon head screw,hexagon head screw (m20x65-8.8,as per is: 1364,part -02) for train-18 bogie drg. no.72702 003 item no. 06 make- lps/tvs/unbrako only. (as per drawing). note:- 1- zinc eletroplated to grade a3l of annexure-e of is- 1364 (part eleven). 2- bolt & screw shall be tvs or unbrako only (as per drawing). drawi ng no.- 72702003 item no. 06 . 3- offers from the manufacturers of the brand of tvs, unbrako/dfl or lp s bossard. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]