SKU: 880102

Heavy Duty Weld-On Single Acting Spring Hinges

$1095 Each
Finish Name: Mill Finish


These 5/8" radius, heavy duty, weld-on spring hinges are ideal for self-closing narrow metal gates and can be easily welded onto the surface due to their lack of screw holes. Their industrial grade construction and adjustable spring tension make them a reliable and efficient choice for any project. UL Listed R21804 18EY.

3.5" x 3.5" Size

  • Maximum door width: 30"
  • Weight Rating: 80 lbs per 3 hinges
  • Pin Diameter: 3/16"

4" x 4" Size

  • Maximum door width: 36"
  • Weight Rating: 100 lbs per 3 hinges
  • Pin Diameter: 3/8"

4.5" x 4.5" Size

  • Maximum door width: 36"
  • Weight Rating: 120 lbs per 3 hinges
  • Pin Diameter: 3/8"
  • Not available in Black

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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 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