1. Flange Nut 2. Lubricated & sealed & easy to install 3. Durable High-performance 4. ... .G., Dakeluo.....05. Grade of strength: 4, 6, 8, 10, 12 (2, 5, 10)06. Surface: full hexagon, no burr, no dirtiness ... engineering ensure longer durability. Services: 1. Customized Production is available.2. Supply for OEM and After Markets.3. 100% tested for ...