D&D Technologies  |  SKU: 980014

Weld-On Spring Hinge

$20983 Per Set


  • Heavy duty self-closing weld-on hinge.
  • With this hinge, you no longer need a separate closer for jobs that require a self-closing gate.
  • Two sealed maintenance-free bearings (no greasing).
  • Near frictionless movement.
  • Designed to fit square or round gate posts (weldable surface is slightly indented).
  • Closes in one direction only.
  • Not for gates needing to swing in both directions.
  • Ideal for panic bar installations.
  • Five spring tension adjustment settings.
  • Adjustable yoke allows 1/2" of horizontal adjustability.
  • One page instruction sheet.
  • Made from steel and zinc chromate plated.
  • Sold by the set. A set includes a top hinge that is not spring loaded, and a bottom spring-loaded hinge. 
  • A set is what you need to hang one gate.

    Top Hinge Measurements:

    • Approximately 4" tall.
    • Approximately 3" wide (gap between post and gate frame is adjustable 2-1/2" to 3").
    • Approximately 1-1/2" thick.
    • For more detailed dimensions, see the document found under Downloads.

      Bottom Hinge Measurements:

      • Approximately 5" tall.
      • Approximately 3" wide (gap between post and gate frame is adjustable 2-1/2" to 3").
      • Approximately 1-1/2" thick.
      • For more detailed dimensions, see the document found under Downloads.


      • There are a number of factors that determine whether the gate will self-close using this hinge set. Those factors include the weight of the gate, the height and width of the gate, the quality of the weld job and average wind speeds in the area. A pair of these hinges will support the weight of a 750 lb gate but are only rated to self-close a 300 lb gate maximum.
      • This hinge is unique and requires very special care when installing for the self-closing feature to work properly.
      • Gate Post: The gate post that the hinge is attached to must be installed so that is is perfectly plumb.
      • Alignment: The centerline of the hinge pins of both hinges (top and bottom hinge) after installation, must be in exact alignment to each other (tolerance not to exceed plus or minus 1/16").

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      Page Code: 980014

      • Manufacturer
        D & D Technologies
      • Finish Name
      • Material
      • Weight Rating
        300 lb per pair
      • Heavy Duty Hinge Type
      • Bearings
        Roller Bearing

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      Frequently Asked Questions

      How long does it take to get my hardware once it's been ordered?

      The delivery time depends on how far you live from our San Diego warehouse. Generally, your order will reach you in 1 to 5 business days. Shipments do not move on weekends and holidays.

      Do you ship merchandise outside the United States?

      At this time, we only ship to addresses in the continental United States, Alaska, and Hawaii. For APO/FPO/DPO and Canadian orders, please email info@hardwaresource.com with a list of the SKU numbers and quantities you would like to purchase, along with your complete ship to address. Once we receive this information we will email you a shipping quote. Please note: Canadian shipments have a $50.00 minimum order.

      I have a hinge that I am trying to replace but I need help identifying it. Can you help?

      Yes! Please click here to visit our Hinge Finder page.

      Some of your hinges are sold by the each and some sell by the pair. What is the difference?

      When the unit of measure says “pair” that means two hinges. Usually you need one pair of hinges per door. When the unit of measure says “each” that means one hinge. You would usually order 2 “each” hinges per door.

      I want to replace my hinges. How do I make sure the screw holes on the new hinge match the screw holes on the old hinge so I do not have to redrill the holes?

      Unfortunately, hinge manufacturers have never standardized the location of their screw hole patterns. Every manufacturer puts their screw holes in a slightly different place. This means that when you replace hinges you will almost certainly have to do some filling and redrilling. The exception to this is Architectural door hinges which are built to a standardized template for each size hinge.

      What is your return policy?

      You can see our complete return policy here: HardwareSource Returns