NOTE: Most product dimensions are approximate within manufacturing tolerances and in many cases are a close approximation after converting from metric.

57 S/Self Closing -up to 90 lbs-Center Mount (Screw-On) Hinge Kit

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Item Summary


  • Adjustable closing speed
  • Stainless steel and anodized aluminum construction
  • Unique, patented tension adjustment
  • Flush or Center Mount
  • Dual sealed thrust bearings
  • For all square posted aluminum or steel gate applications
  • Left or right-handed swing
  • Powerful, hidden hydraulics that don’t leak!
  • Horizontal adjustment usable with center mount bracket
  • Tested to 500,000 cycles
  • 1,500 lb load capacity
  • Quality assurance of an ISO 9001 manufacturer
  • High corrosion resistance, 50 micron anodizing on aluminum components


  • Convenient, reliable performance
  • Fits a broad range of applications
  • No need for unsightly spring closers, closing mechanism is hidden
  • Visibly small footprint once installed
  • Final Snap Action is strong enough to engage electrical locks
  • Ease of installation & adjustment
  • 2-Year Limited Warranty

CAUTION: Weld-on steel brackets must be powder coated or painted.  Protect threads and moving parts when applying finish.  SM + SM kits replace standard ball bearing hinges intended for NON Self Closing gates, ideal for heavy or access control gates.  Kits require a latch/lock for a gate that is positioned either center to the line of the fence OR a gate that is flush mounted with the face of the fence post. For D&D latches, use Flush Mount Sure Close.

** Please note that all hinge/closer kits come with one closer hinge and one non-closing plain hinge.**

** To understand more about SUREClose product selection, please see the drawing under “Attachment” titled “Understanding Gate Sweeps – SUREClose”.**

SureClose hydraulic closers and hinges deliver a revolutionary option for heavier gates up to 1,500 pounds that call for more advanced closing.  The small footprint on the fencepost makes the SureClose an attractive option for a more refined look.  The hydraulic closing mechanism is adjustable for closing speedSureClose is precision engineered with ball bearings to ensure long life, and the hydraulics in the closer are guaranteed against leakage or failure.  Ideal for commercial, industrial, residential and ornamental applications.  All kits contain 2 hinges and 2 mounting brackets.

More Information
SKU 77057113
Weight 3.360000
Brands D&D Technologies
Gate/Fence Material Aluminum, Steel
Safety Non Pool Safety
Manufacturer Recommended Self Closing Weight Capacity Per Pair 0-50lbs, up to 100lbs
Material of Hinge Aluminum