Hinges Invisible Door Hinges Soss 518 Series Invisible Hinges
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#518 Wrap-Around Invisible Hinge, Black E-Coat

  Rating 4.6 | 193 Reviews in the past 24 months | Our Item Number UIP-518US19

The SOSS Invisible Hinge model #518 is a revolutionary design that allows it to wrap around molding and trim to create a completely hidden door with no reveal. It is designed for use in wood or metal applications that are a minimum of 1-3/4" thick. The model #518 is made out of alloy steel. It is the only hinge in the SOSS Invisible Hinge product line that stops at 92 degrees. Add molding and trim to your doors and wall for a truly unique and seamless look.

$
297.78 Each
$425.40
SAVE 30%
Ends Jul 18

Finish: Black E-Coat
Black E-Coat Satin Brass Satin Chrome Satin Nickel

Product Info Product Height: 4-5/8 Inch, Opening Angle: 92 Degrees, Hinge Weight: 1.95 lbs, Product Finish: Black, Material: Alloy Steel, See more product details
Qty:       Each
 

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All the product info you could ask for...

  • Size Info

  • Product Height : 4-5/8 Inch
  • Minimum Material Thickness : 1-3/4 Inch (44.45 mm)

  • Manufacturer Info

  • Manufacturer : Soss
  • Manufacturer Part # : 518US19
  • Manufacturer Finish : Black E-Coat

  • Other Important Info

  • Opening Angle : 92 Degrees
  • Machine Screw Size : #10-24 x 1*
  • Hinge Weight : 1.95 lbs
  • Product Type : Invisible Hinge
  • Product Finish : Black
  • Material : Alloy Steel
  • Application : Full Sized Entry, Metal, Wood
  • Counter Bored Screw Holes : Yes
  • Screws Included : Wood

  • Manufacturer Resources

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Our customers say Soss products...

  4.6 out of 5
based on 193 ratings

"These reviews are from our customers who have purchased Soss products."
  • 1 of 2 people found the following review helpful
    3 of 5 Nice December 28th, 2022
    by Matt from Novelty, OH

    Awesome hinges, but way overpriced.

    This review is about a different size/color of this item. (UIP-518US15)

    Was this review helpful? yes no

  • 0 of 1 people found the following review helpful
    1 of 5 Still waiting December 14th, 2023
    by steve from RAYMOND, oh

    Never received my order

    This review is about a different size/color of this item. (UIP-518US26D)

    Was this review helpful? yes no

  • 5 of 5 Installing barrel hinges July 9th, 2026
    by Lyle from Rapid City, SD

    first time installing the barrel hinges fir different thickness of wood box sides and top materials. the installation was very straight forward and easy to complete. I was very happy with the end result.

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

    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

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Reviews about us...

  • 5 of 5 | July 8th, 2026

    I placed an order for replacement parts for cabinet door hinges I was struggling to find. They arrived quickly, the price was reasonable and they fit perfectly!

  • 5 of 5 | July 7th, 2026

    One of our cabinet door hinges(about 30 some odd years old) broke and couldn't find a replacement at big box stores or small hardware stores. Found this website and Jonzee ---who was terrific. Walked be through a variety of steps to id the type of cabinet

  • 5 of 5 | July 7th, 2026

    Got exactly what I ordered, on time, and the hinges worked perfectly.

  • 5 of 5 | July 6th, 2026

    Great service! Part was shipped in a timely manner and arrived as expected.

  • 5 of 5 | July 6th, 2026

    They have great web site and customer support.

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