SureClose Safety Bolt-On Hinge


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Ships by the next day!
Grouped product items
Product Name Qty
SureClose Self-Closing Hinge, 57SF-AT90-S


SureClose Non Self-Closing Hinge, SM-AT90-S


Flush Mount Bolt-On Mounting Bracket, 7515


SureClose Safety Bolt-On Hinge - Self-Closing
SureClose Safety Bolt-On Hinge - Self-Closing SureClose Safety Bolt-On Hinge - Non Self-Closing SureClose Safety Bolt-On Hinge - Non Self-Closing - Mounting Bracket SureClose Safety Bolt-On Hinge - Swing Diagram


  • NOTE: Post mounting brackets sold separately. The recommended setup requires two hinges and two mounting brackets.
  • SureClose hinges for bolt-on applications.
  • Allows a gate to swing to a maximum of 90 degrees in one direction.
  • A separate gate stop (not included) must be installed to restrict gate from opening past 90 degrees. See info sheet below for more information.
  • Hinge requires face of gate and post to be flush.
  • Requires minimum post size of 3" x 3".
  • Self-closing or non self-closing versions available.
  • See swing diagram above for a clear visual representation of hinge functionality.
  • Hydraulics are concealed within the post, providing a controlled and quiet close in a tamper resistant design that will not leak.
  • Adjustable self-closing speed.
  • Does not offer resistance if closed quickly in an emergency.
  • Features dual thrust ball bearings to help withstand heavy loads.
  • Hinge gap between frame and gate is 1/2".

These hinges can be used in any of the following combinations:

  • Use 2 of our SKU 928516 to self-close a gate up to 260 pounds*.
  • Use 1 of our SKU 928516 and 1 of SKU 928512 to self-close a gate up to 180 pounds*.
  • Use 2 of our SKU 928512 to hold a gate up to 1500 pounds* (will not self-close).
  • Weight ratings based on a maximum gate size of 72" high x 40" wide.



More Information
Manufacturer D & D Technologies
Model # 57SF-AT90-S (Self-Closing)
SM-AT90-S (Non-Self-Closing)
7515 (Mounting Plate)
Finish Name Black
Material Steel
Heavy Duty Hinge Type Bolt-On
Bearings Ball Bearing
Mounting Hardware Included No
Made in USA No
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