Sealing Nuts

The components of SEAL LOCK® sealing nuts form a single unit. Sealing occurs both on the thread and under the head. These nuts are used in hydraulic and pneumatic systems as well as for combustion engines. High-resistance fastenings can be performed multiple times without loss of torque.


  • One-piece element

  • Gas and watertight

  • Resistant to temperatures from -40°C to +110°C

  • Vibration resistant

  • Locking thanks to a deformable polyamide ring

  • Wide range of sizes  



  • Injection pumps

  • Air filters

  • Hydraulic steering

  • Power steering

  • Pump and generator housings


Installation principle

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