Skip Content

Please Upgrade Your Browser Grainger will no longer support Internet Explorer 8 as of 07/2018. Please upgrade your browser or contact your System Administrator for support.


Concealed Hinge with Satin Brass Finish, Full Mortise Mounting for 1-3/4" Door Thickness

  • Item # 4ACZ3
  • My Part #
  • Mfr. Model # 218FRUS4PB
  • Catalog Page # N/A
  • UNSPSC # 31162403
Concealed Hinge with Satin Brass Finish, Full Mortise Mounting for 1-3/4" Door Thickness close

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.

CAD Downloads

Web Price $51.50 / each
Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 2.0 lbs.
Country of Origin Singapore Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

Whether you're installing wood or metal fire-rated doors, if you're installing them where aesthetics are important and a clean look is desirable, use a single-action SOSSĀ® Invisible Hinge. This full-sized door-style concealed hinge is nearly invisible once installed and provides smooth operation and a flush fit. The Zamac/steel construction is built to last.
UL Listed for use on hollow metal, sheet metal, tin clad, steel composite or wood core swinging type fire doors and frames with a 20-min. rating.

View More

Technical Specs

  • Item Concealed Hinge
  • Material Zamac/Steel
  • Finish Satin Brass
  • Holes With
  • Holes per Leaf 4
  • Ligature Resistant No
  • Range of Motion 180 Degrees
  • Orientation Non Handed
  • Door Leaf Height 4-5/8"
  • Frame Leaf Height 4-5/8"
  • Door Leaf Width 1-1/8"
  • Frame Leaf Width 1-1/8"
  • Required Door Thickness 1-3/4"
  • Corners Round
  • Hardware Included
  • Mounting Full Mortise
  • Pin Material Steel
  • Pin Type Nonremovable
  • Standards ANSI/BHMA 156.1 2006
How can we improve our Technical Specifications?

Compliance and Restrictions


Alternate Products

Alternate Products may not be identical in style or function to original selection. Please compare below for more information.

Alternate Search Terms

Customer Reviews

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.