SOSS 418 Fire Rated Invisible Hinge, 1-1/8 Inch Width x 4-39/64 Inch Height x 1-41/64 Inch Depth, Satin Brass
Rating 4.6 | 193 Reviews | Our Item Number UIP-418US4
Whether your doorway is made of wood or metal, rated 20 minutes or 3 hours, there is a Soss fire rated hinge that will comply and still give you the invisible look you expect from Soss.
$
370.13
$362.73/ea for 5 $355.32/ea for 10
$528.76
SAVE 30%
Ends Jul 18
Ends Jul 18
Finish: Satin Brass
Product Info Material: Steel, Model #: 418FR, See more product details
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Size Info
- Minimum Door Thickness : 1-3/4"
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Manufacturer Info
- Manufacturer Part # : 418US4
- Manufacturer Finish : US4
- Manufacturer : Soss
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Other Important Info
- 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 : Satin Brass
- Material : Steel
- Product Type : Fire Rated Invisible Hinge
- Fire Rating (wood/metal) : 20 min./3 hrs.
- Model # : 418FR
Manufacturer Resources
Installation Hardware
Professional Self-Centering Vix Bit, Essential Drill Bit for Hinge Installation 
Router Guide Template For #418 Other - Soss 418 Series Invisible Hinges
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SOSS 418 Fire Rated Invisible Hinge, 1-1/8 Inch Width x 4-39/64 Inch Height x 1-41/64 Inch Depth, Satin Chrome 
SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8 Inch Width x 4-39/64 Inch Height x 1-41/64 Inch Depth plus 7-3/8 Inch Closer, Alloy Steel Satin Brass 
SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8 Inch Width x 5-1/2 Inch Height x 1-41/64 Inch Depth plus 7-3/8 Inch Closer, Alloy Steel Satin Nickel 
SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8 Inch Width x 5-1/2 Inch Height x 1-41/64 Inch Depth plus 7-3/8 Inch Closer, Satin Stainless Steel 
SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8 Inch Width x 4-39/64 Inch Height x 1-41/64 Inch Depth plus 7-3/8 Inch Closer, Alloy Steel Satin Chrome 
SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8 Inch Width x 5-1/2 Inch Height x 1-41/64 Inch Depth plus 7-3/8 Inch Closer, Alloy Steel Unplated 
SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8 Inch Width x 5-1/2 Inch Height x 1-41/64 Inch Depth plus 7-3/8 Inch Closer, Bright Stainless Steel 
SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8 Inch Width x 4-39/64 Inch Height x 1-41/64 Inch Depth plus 7-3/8 Inch Closer, Alloy Steel Black E-Coated 
SOSS 418 Fire Rated Invisible Hinge, 1-1/8 Inch Width x 4-39/64 Inch Height x 1-41/64 Inch Depth, Satin Stainless Steel 
SOSS 418 Fire Rated Invisible Hinge, 1-1/8 Inch Width x 4-39/64 Inch Height x 1-41/64 Inch Depth, Satin Brass 
SOSS 418 Fire Rated Invisible Hinge, 1-1/8 Inch Width x 4-39/64 Inch Height x 1-41/64 Inch Depth, Bright Stainless Steel 
SOSS 418 Fire Rated Invisible Hinge, 1-1/8 Inch Width x 4-39/64 Inch Height x 1-41/64 Inch Depth, Satin Nickel 
SOSS 418 Fire Rated Invisible Hinge, 1-1/8 Inch Width x 4-39/64 Inch Height x 1-41/64 Inch Depth, Unplated 
SOSS 418 Fire Rated Invisible Hinge, 1-1/8 Inch Width x 4-39/64 Inch Height x 1-41/64 Inch Depth, Black E Coat 
Our customers say Soss products...
4.6 out of 5
based on 193 ratings
based on 193 ratings
"These reviews are from our customers who have purchased Soss products."
- 5 of 5 Patio Panel hinges April 17th, 2014
by Christian from San Diego, CA(no comment given)
This review is about a different size/color of this item. (UIP-418US26D)
- 5 of 5 Patio Panel hinges April 17th, 2014
by Christian from San Diego, CA(no comment given)
This review is about a different size/color of this item. (UIP-418US26D)
- 5 of 5 Patio Panel hinges April 17th, 2014
by Christian from San Diego, CA(no comment given)
This review is about a different size/color of this item. (UIP-418US26D)
- 5 of 5 Installing barrel hinges July 9th, 2026
by Lyle from Rapid City, SDfirst 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)
- 5 of 5 SOSS 101 Invisible Hinges April 8th, 2026
by Richard from Mukilteo, WAThere 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)
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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