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

57SF AT90 W/Self Closing -up to 90 lbs-Flush Mount (Weld-On) Hinge Kit for Pool Safety

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Item Summary

This SureClose Flush Mount Weld-On Kit comes with: 1-SM AT90 W and 1-57SF AT90 W hinge and 2-7525 brackets

This hinge combination will self-close a 90 lb. gate

This hinge combination will to 90° and will self close from 90°.

The “SF” Model SureClose hinge/closers are designed for child/ pool safety, they do not have a hold-open feature and they are not meant to be propped open.

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 speed. SureClose 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.


  •  Adjustable self-closing speed
  •  Anodized aluminum construction
  •  Unique, patented tension adjustment
  •  Flush Mount
  •  For all square posted aluminum or steel gate applications
  •  Left or right-handed swing
  •  Dual sealed thrust bearings
  •  Powerful, hidden hydraulics that don’t leak!
  •  Horizontal adjustment usable with center mount brackets
  • 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

Hinge gap: 1/2"

Minimum post size: 2"

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.

**NOTE: SM model hinges in the kit are plain hinges, they do not self-close.**

More Information
SKU 77057224
Weight 5.430000
Brands D&D Technologies
Gate/Fence Material Aluminum, Steel
Safety Pool Safety
Manufacturer Recommended Self Closing Weight Capacity Per Pair 0-50lbs, up to 100lbs
Material of Hinge Aluminum
Trade name SureClose