supply of hexagon head screw iso 4017 - m20 x 80-1 , hexagon head screw iso 4017 - m20 x 80-10.9 1 zinc flake coating (geomet 321 or similar) with top coat,without any hexavalent chromium, without any integrated or seperately added lu bricant. minimum salt spray test life of 1000 hours is to be ensured. 2. screws shall be of make/ brand tvs or unbrako. may be sourced from m/s lps bossard also. special conditions : suitable packing to be done to prevent damage during transit, unloading and rust prevention during st orage [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]