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~ISO9001 certified since 2008
~IATF16949 certified in 2017


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LL7 Series Friction Hinges

This is a LL7 torque hinge picture This is a ll7b torque hinge picture    
LL7 Type A LL7 Type B    
2D Drawing 2D Drawing    


  • Applications:
    Display panels, industrial enclosures, office equipment, housing appliance, medical equipment...

  • Torque ratings:
    Symmetric: 0.4 - 0.9Nm
    ***Static torque could be specified at every 0.01Nm (0.1 lb-in) interval within range given above
  • Cycle life: Over 25,000 cycle life within ±20% of static torque specification

  • Materials: Zinc alloy, steel and grease

  • Self locking feature

  • 270 degree of rotation
  • Natual and Plating finish

  • M3 or #4 screw mounting hole

  • backlash < 2.5°

  • Minimal or no springback

  • RoHS compliant