SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Brass
Rating 4.6 | 195 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 Oct 07
Ends Oct 07
Finish: Satin Brass
Product Info Height: 4-39/64", Width: 1-1/8", Depth: 1-41/64", Material: Steel, Model #: 418FR, See more product details
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Size Info
- Minimum Door Thickness : 1-3/4"
- Height : 4-39/64"
- Width : 1-1/8"
- Depth : 1-41/64"
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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" Width x 4-39/64" Height x 1-41/64" Depth, Satin Chrome](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46917&p=sq-sm "SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Chrome")
SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Chrome ![SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Satin Brass](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46907&p=sq-sm "SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Satin Brass")
SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Satin Brass ![SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Satin Nickel](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46904&p=sq-sm "SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Satin Nickel")
SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Satin Nickel ![SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Satin Stainless Steel](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46911&p=sq-sm "SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Satin Stainless Steel")
SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Satin Stainless Steel ![SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Satin Chrome](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46906&p=sq-sm "SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Satin Chrome")
SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Satin Chrome ![SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Unplated](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46903&p=sq-sm "SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Unplated")
SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Unplated ![SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Bright Stainless Steel](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46910&p=sq-sm "SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Bright Stainless Steel")
SOSS 418 Fire Rated Invisible Closer Hinge, 1-3/8" Width x 5-1/2" Height x 1-41/64" Depth plus 7-3/8" Closer, Bright Stainless Steel ![SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Black E-Coated](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46905&p=sq-sm "SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Black E-Coated")
SOSS 418 Fire Rated Invisible Closer Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth plus 7-3/8" Closer, Alloy Steel Black E-Coated ![SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Stainless Steel](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46913&p=sq-sm "SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Stainless Steel")
SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Stainless Steel ![SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Brass](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46918&p=sq-sm "SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Brass")
SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Brass ![SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Bright Stainless Steel](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46912&p=sq-sm "SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Bright Stainless Steel")
SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Bright Stainless Steel ![SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Nickel](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46915&p=sq-sm "SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Nickel")
SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Satin Nickel ![SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Unplated](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46914&p=sq-sm "SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Unplated")
SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Unplated ![SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Black E Coat](https://cdn-media.cabinetparts.com/primary_product.jpg?id=46916&p=sq-sm "SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Black E Coat")
SOSS 418 Fire Rated Invisible Hinge, 1-1/8" Width x 4-39/64" Height x 1-41/64" Depth, Black E Coat 
Our customers say Soss products...
4.6 out of 5
based on 195 ratings
based on 195 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)
- 4 of 5 Good Stuff July 31st, 2026
by mark from Katy, TXThis is a first try using this hinge and also the first hinge I've used with Shaper Origin to cut the receiving part. Its tiny and I'm not commonly using tiny so can't compare. I like it and I'm interested in using this one again.
This review is about similar Soss Hinges. (UIP-BH085)
- 5 of 5 Hinges were just right July 23rd, 2026
by Garnet from Lamoni, IAHad a Martha Washington sewing desk that needed new hinges and we found these the old ones came off the new ones went on and now it looks perfect. Let me know if you want pictures.
This review is about similar Soss Hinges. (UIP-100CUS26D)
Reviews about us...
- 5 of 5 | September 29th, 2026
They had the replacement part and delivered it quickly. Very happy with Cabinet Parts.
- 4 of 5 | September 28th, 2026
I love the heft and look of the bronze plates. My only concern is with the mounting screws. For such a large plate and for security matters the screws are only 1/2 inch long. They would be easy to pry off. I have bought 1 inch screws, (the longest that wo
- 4 of 5 | September 27th, 2026
we had significant difficulty deciphering the measurements needed. Cabinet parts develop drawings to illustrate the needed dimensions.
- 5 of 5 | September 27th, 2026
And fast shipping . Thank you!
- 5 of 5 | September 26th, 2026
I’ve been looking for these parts and you delivered! Thanks
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