supply of fs all steel lock nut m22 property class-10. , fs all steel lock nut m22 property class-10. note:-1 - zinc flake coating (geomet321 or equivalent) with top coat, without any hexavalent chromium without any integrated or separately added lubricant. minimum salt spray test life of 1000 hours is to be ensured. 2- fs all steel lock nuts, dimensions o f nut shall be as per din 6925/ din 980m. nut shall be of make m/s flaig hommel gmbh germany special condition: suitable packing 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 permitted: max 8 lacs ] ]