#218 Fire Rated Invisible Hinge Un-plated

Product Discontinuation AlertThis item has left our catalog. It's either upgraded to a newer model, didn't meet our high customer satisfaction standards, or the manufacturer said goodbye. But don't worry, CabinetParts is always here with top-notch alternatives.


All the product info you could ask for...

  • Size Info

  • Minimum Door Thickness : 1-3/4"
  • Manufacturer Info

  • Manufacturer Part # : 218FRUNP
  • Manufacturer Finish : UNP
  • Manufacturer : Soss
  • Other Important Info

  • Product Type : Fire Rated Invisible Hinge
  • Sold : 1 Hinge Per Box
  • Key Features : Invisible from either side when closed
    Moving pivot point remains inside hinge during travel
    Deep mortise of hinge assures a strong installation
  • Product Finish : Unplated
  • Material : Zinc Body with Steel Pins and Links
  • Model # : 218FR
  • Manufacturer Resources

Our customers say Soss products...

  4.6 out of 5
based on 192 ratings

"These reviews are from our customers who have purchased Soss products."
  • 5 of 5 Perfect February 18th, 2009
    by chris from Ajax, Ontario

    Great product, with a jig it's installation is a snap and has a unique look, the product was used throught out the custom built home.

    This review is about a different size/color of this item. (UIP-218FRUS26D)

    Was this review helpful? yes no

  • 5 of 5 SOSS 101 Invisible Hinges April 8th, 2026
    by Richard from Mukilteo, WA

    There is a marked difference between the SOSS 101 invisible hinges and those made in other countries. The quality, fit, finish and the smoothness of operation of the SOSS hinges is just superior. Yes, they cost more but is your project worth the cost in long term.

    This review is about similar Soss Hinges. (UIP-101CUS19)

    Was this review helpful? yes no

  • 5 of 5 Pretty ingenious March 3rd, 2026
    by Travis from Golden, CO

    These things are super cool and seem like they solve some problems in a unique way. But beware: they're pretty fragile! Don't expect to be able to test fit them and remove them over and over, or you'll break them (speaking from experience)

    This review is about similar Soss Hinges. (UIP-BH085)

    Was this review helpful? yes no

  • 5 of 5 Hinge August 21st, 2025
    by Craig from Windsor, WI

    Great product for my application

    This review is about similar Soss Hinges. (UIP-BH144)

    Was this review helpful? yes no

  • 0 of 1 people found the following review helpful
    5 of 5 invisible hinge June 12th, 2025
    by Pamela from Larchmont, NY

    (no comment given)

    This review is about similar Soss Hinges. (UIP-204CUS26D)

    Was this review helpful? yes no

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Reviews about us...

  • 4 of 5 | June 7th, 2026

    The drawer pulls are good quality and have a nice finish, but the quality of the long fasteners is very poor. The hardware is made so can be cut easily but the threads are very poor and cross thread easily. I will have to buy better fasteners, I donโ€™t see

  • 5 of 5 | June 6th, 2026

    They were a perfect fit, replaced these old rusty hinges.

  • 5 of 5 | June 6th, 2026

    Fast delivery and it seems to be of very good quality. Exactly what I needed to save my back from digging out items from our 1960โ€™s blind corner cabinet. Should have bought one of these years ago! Install was pretty easy. My husband did it in under an hou

  • 5 of 5 | June 5th, 2026

    Purchased my Blum 24โ€ drawer glides, and received them 1 week later. I was shocked by how fast my order was processed, shipped and arrived! I have three other projects planned for this summer and will definitely order all my parts for my upcoming projects

  • 5 of 5 | June 4th, 2026

    Quality parts. Fast shipping

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