supply of hexagon head screw , hexagon head screw (m20x80-8.8 as per is: 1364, part-2) for train-18 bogie drg.no. 727020 02 item no.06. make lps/tvs/unbranko/tuff or similar & firm who has successfully supplied at icf/mcf for vande bharat. note:- 1- zinc eletroplated to grade a3l of annexure-e of is- 1364 (part eleven). 2- bolt & sc rew shall be tvs or unbrako only (as per drawing). drawing no.- 72702002 item no.06 . 3- offers from th e manufacturers of the brand of tvs, unbrako/dfl or lps bossard: or their authorised dealers only nee d to quote. dealers to submit valid authorization of oem along with offer. [ warranty period: 30 months a fter the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]