supply of procurement of fs all steel lock nut m12 property class-10 (1) zinc flake etc. , fs all steel lock nut m12 property class-10 (1) zinc flake coating (geomet321 or equi valent) with top coat, without any hexavalent chromium, without any integrated or separately added lubric ant. minimum salt spray test life of 1000 hours is to be ensured. (2) fs all steel lock nuts. dimensions of nut shall be as per din 6925/din 980m. nut shall be of make m/s flaig hommel gmbh germany special condi tion: 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 ] ]