Fs All Steel Nut Lock Nut M20-Property Class 10 To Specification No Din6925/ Din980M. (1) Make Shall Be M/S Flaig Hommel Gmbh, Germany (2). Zinc Flake Coating (Geomet3 21 Or Equivalent) With Top Coat, Without Any Hexavalent Chromium, Without Any Integrated Or Separate Ly Added Lubricant. Minimum Salt Spray Test Life Of 1000 Hours Is To Be Ensured. [ Warranty Period: 3 0 Months After The Date Of Delivery ] ]