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

- Item #: BCI1784331

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Polished Brass
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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

Hager BB181743 Product Specifications

Specification Sheet
ANSI Certification A8114
Approved for Commercial Use No
Collection Residential
Configuration Hinge
Corners 5/8" Radius Corner, Square Corner
Function Hinge
Gauge 0.085
Handing Left
Height 4
Hinge Height 4
Hinge Strength Residential
Hinge Type Ball Bearing
Hinge Width 4
Hole Pattern Zig Zag
Manufacturer Warranty Lifetime Limited
Material Steel
Mounting Type Mortise
Number of Holes 8
Number of Knuckles 5
Product Class Residential
Quantity 2
Removable Pin Yes
Screw Type Wood
Theme Traditional
Width 4

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

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