Quiet endurance


Extra strong. Extra quiet. Our hinges have the quality and longevity to open doors to adventure, and keep the comforts of home safe and sound.

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Door Hinges
Door Hinges
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Hinge Parts
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Specialty Hinges
Specialty Hinges
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Enjoy the sound of silence with national hardware Squeak Guard Hinges
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Enjoy The Sound of Silence

Create a quiet home environment free from irritating squeaking by installing National's Squeak Guard™ Hinges.

Hinge Types

How to determine the radius of a hinge

Radius corner and square corner hinges offer the same functionality. If you're installing hinges on a new door, you can simply choose the look (square or round) you prefer.

  • A dime matches up to the 1/4" radius
    1/4" Radius
    A dime matches up to the 1/4" radius
  • A quarter matches up to the 5/8" radius
    5/8" Radius
    A quarter matches up to the 5/8" radius
  • a square corner hinge
    A hinge with no radius is a square corner hinge

Hinge Size & Application

How to choose the right size hinge

The door thickness and width will determine the size of hinge that should be used. Use this chart as a guide to select the hinge for your doors.

hinge with ruler
Door ThicknessDoor HeightNumber of Hinges RequiredHinge Size to Use
1-3/8" DoorUp to 32"23-1/2" Hinge
1-3/8" Door32" to 36"24" Hinge
1-3/4" DoorUp to 36"24-1/2" Hinge
1-3/4" Door36" to 48"25" Hinge
1-3/4" DoorOver 48"26" Hinge
2", 2-1/4", 2-1/2" DoorUp to 42"25" Heavy-Duty Commercial Hinge
2", 2-1/4", 2-1/2" DoorOver 42"36" Heavy-Duty Commercial Hinge

Commercial Grade Hinges vs. Regular Hinges

What's the Difference?

  • Commercial Grade Hinges
    Commercial Grade Hinges
    Commercial Grade Door Hinges are made with a thicker gauge, making them sturdier than residential hinges.
  • Residential Hinges
    Residential Door Hinges
    Residential Door Hinges are made with a 1/4", 5/8" radius corner or a square corner. Check out the Hinge Buying Guide for how many hinges to use per door.

Hinges Inspiration

From style tips to unique and beautiful applications



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  • Can I paint my door hinges?
    Door hinges should not be painted. It ruins the integrity of the mechanism and shortens the life span of the hinge. You can buy hinges that have a primer coat of paint and can be painted with special metal paint if the paint is a must for you.
  • How are door hinges measured?
    Door hinges are measured by the dimensions when the hinge is open and lying flat. A 3 1/2" x 3 1/2" hinge will be 3 1/2" high, have a center pin and two plates that are approximately 1 1/2" wide. The common sizes for door residential door hinges are 3" and 3 1/2". They can come with both square and rounded corners.
  • What Door Hinge should I use?
    There are three things you need to consider before installing your new door hinges. The first step is to pick your finish. The second step is to pick the correct size door hinge. The last step is to pick the corner style. The options for these are 1/4" radius, 5/8" radius or square corner.  
  • How do I clean my hinges?
    Remove the hinges with a screwdriver. Soak the hinges in warm water & soap for 30 min. 
    Take the hinges out of the water and scrub with a small toothbrush. Rinse the hinges & dry using a small towel. Lastly, install the hinges back to the door.