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  Connection fasteners used in assemblies such as booster, exhaust manifold, etc. of a diesel engine have common requirements – high-temperature resistance and intense vibration resistance. Anti-loosening locking nuts such as nylon nuts, chemical adhesives, etc. may fail under high temperature condition. The double nuts + locking washer approach may have better performance under high temperature condition. But the installation is difficult and the anti-loosening performance is not guaranteed.

  The unique structure of DTFLOCK nut overcomes the above defects. The tightened fastener can withstand intense vibration at high temperature. When DTFLOCK nuts are used in diesel engine assemblies such as booster, exhaust pipe and oil pipe, the problem of fastener loosening under high temperature is effectively solved. This greatly encourages further DTFLOCK applications in diesel engine industry.