Hager BB1817-4 4" x 4" Mortise Left Hand Ball Bearing Hinges with Square Corners and 5/8" Radius Corners

- Item #: BCI1784337

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Residential Collection 4" x 4" Mortise Left Hand Ball Bearing Hinges with Square Corners and 5/8" Radius Corners

The Hager BB1817 4" x 4" square and radius corner hinge. This hinge is assembled for left hand in swing and features steel construction, square and 5/8" radius corners, ball bearings, removable pin, includes mounting hardware and is fully reversible. Choose from many finishes, allowing you to match your choice of door hardware. Hager residential hinges are provided without lubrication. It is recommended that you lubricate the hinges after installation. All Hager residential hinges conform to the “Light Weight” requirements of ANSI A156.1.


  • Assembled for Left Hand Inswing
  • Square Corner and 5/8" Radius Corner
  • Steel with Steel Pin
  • Removable Pin
  • Ball Bearing
  • Five Knuckle


  • 4" (102mm) x 4" (102mm)
  • 0.085 Metal Gauge
  • 8 Hole Count
  • 0.234" Pin Diameter
  • 3/4 x 9 FH Screws

Hager residential hinges enhance the design of any home, with finishes that range from bright brass and antique bronze to satin nickel and bright chrome. Homeowners also gain additional peace of mind with Hager features such as interlocking security stud protection, fast riveted pins with rivet heads that are formed on both ends to prevent removal of the hinge pin, and hinges with non-removable pin set screws.

Additional Hager Links

Our SKU: Hager BB1817-4

This product is listed under the following manufacturer number(s):

  • Hager BB181745
    Antique Brass
  • Hager BB1817410R
    Antique Bronze Matte Lacquered
  • Hager BB18174AN
    Antique Nickel
  • Hager BB181742D
    Brass Tone Dichromate
  • Hager BB181743
    Polished Brass
  • Hager BB181744
    Satin Brass
  • Hager BB1817426D
    Satin Chrome
  • Hager BB1817415
    Satin Nickel

*Denotes a finish or option that has been discontinued

Manufacturer Resources

Installation Resource Center

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Hager BB1817-4 Reviews

Rated 5 out of 5 by from Ball Bearing Mortise Hinges These hinges were exactly what I needed. I put in a new pre-hung door with Full double pane high energy efficient glass. It was very heavy. The original hinges lasted about 1 year. I expect these new ball bearing hinges to last 10 years or longer. This door is opened about 30-40 times each day.
Date published: 2012-09-20
Rated 5 out of 5 by from ordered what I thought were 3 hinges. was not able to get the stainless steel in the type I needed. I over ordered because of the way they are packed. I got more than 3 and spent more than I needed to. recheck your order for the amount needed. these type of hinges are not sold at the big box hardware stores
Date published: 2013-05-28

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