Contact us at or (800)-562-5267. *If you are calling from Canada, please call at 310-329-6373.


Spring Loaded Lid Stays


  • For TOP-OPENING FLAP DOOR with piano, butt or concealed hinges.
  • HDS-20S is designed to lift and hold doors in fully opened position.
  • Used in pairs.
  • Torque Calculation:
    Torque = Door Height × 1/2 × Door Weight
    H-Type : 70~110 kg·cm (60~95 lbs·inch)/pair
    S-Type : 111~150 kg·cm (96~130 lbs·inch)/pair
  • *For Downward-opening door applications, please consider HDS-10S.

Please feel free to send us an email ( if you have any questions about HDS-20S.


For information on pricing and purchase, please contact our distributors.

Certain CAD files are not available for download, please contact and we can email it to you.

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