SIT-LOCK® Keyless Locking Devices

SIT-LOCK® Keyless Locking are ideal for any shaft-hub connection.

SIT-LOCK® units are suitable to connect any type of hub (flywheels, chain wheels, gears, levers, pulleys, eccentrics, couplings, etc.) and can be utilized in a varied range of industrial applications.


  • Accommodates high torque transmission
  • Zero backlash – Ideal for applications involving rapid acceleration and deceleration
  • Easy to mount
  • High axial and angular positioning accuracy
  • Help reduce costs of the assembly
  • Ideal for next-generation applications

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