supply of hexa hd screw , hexa hd screw iso 4017- m16x50 10.9, geo silver note:-1 - zinc electroplated to grade a3l of annexure-e of is1367(part-eleven). 2- zinc flake coating (geomet 321 or similar) with top coat without a ny hexavalent chromium, without any integrated or separately added lubricant. minimum salt spray test life of 1000 hours is to be ensured 3- bolt & screws (with 10.9 property class) shall be of make tvs or dfl/ unbrako. bolts & screws may be sourced from m/s lps bossard also. [ warranty period: 30 months afte r the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , hexa hd screw iso 4017- m16x45 10.9, geo silver. note:-1 - zinc electroplated to grade a3 l of annexure-e of is1367(part-eleven). 2- zinc flake coating (geomet 321 or similar) with top coat without any hexavalent chromium, without any integrated or separately added lubricant. minimum salt spray test li fe of 1000 hours is to be ensured 3- bolt & screws (with 10.9 property class) shall be of make tvs or dfl/ u nbrako. bolts & screws may be sourced from m/s lps bossard also. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , hexa hd screw iso 4017- m16x100 10.9, geo silver. note:-1 - zinc electroplated to grade a 3l of annexure-e of is1367(part-eleven). 2- zinc flake coating (geomet 321 or similar) with top coat withou t any hexavalent chromium, without any integrated or separately added lubricant. minimum salt spray test life of 1000 hours is to be ensured 3- bolt & screws (with 10.9 property class) shall be of make tvs or dfl/ unbrako. bolts & screws may be sourced from m/s lps bossard also. [ warranty period: 30 months afte r the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]