supply of hexagon head screw iso 4017 - m20 x 80-10.9hexagon head screw iso 4017 - m20 x 80-10.9,hexagon head screw iso 4017 - m20 x 80-10.9 1 zinc flake coating (geomet321 or si milar) with top coat,without any hexavalent chromium, without any integrated or separately added lub ricant. 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. suitable packing to be done to pre vent damage during transit, unloading and rust prevention during storage. [ 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 ] ] => limited