SOSS 208 Series Invisible Hing...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$180.90

SOSS 208 Series Invisible Hinge, 2-3/8" Stainless Steel, 1" Minimum Door Thickness

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Model: 208SSUS32D

In Stock (leaves warehouse same day if ordered before 3pm ET)

$180.90
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SOSS 208 Series Invisible Hinge, 2-3/8" Stainless Steel, 1" Minimum Door Thickness

The SOSS 208 Series Invisible Hinge is a concealed, single-action hinge engineered for wood or metal doors with a minimum material thickness of 1" up to 1-1/8". Constructed of complete 316 stainless steel with a US32D satin stainless steel finish, this 2-3/8" closet-style hinge opens a full 180° and disappears into the door edge for a clean, flush appearance. It is ideal for applications where flush fit, compact size, and smooth operation are essential, and is suitable for cabinet, exterior, metal, and wood applications.

Key Features

  • Compact Size: 2-3/8" invisible hinge designed for doors and applications with a minimum material thickness of 1".
  • Full 180° Swing: Single-action operation allows the door to open a complete 180 degrees for maximum accessibility.
  • Premium Stainless Steel Construction: Made of complete 316 stainless steel with a US32D satin stainless steel finish for superior appearance and long-term durability.
  • Heavy Duty Rating: Classified as a heavy-duty hinge suitable for demanding commercial applications.
  • Radius Corner Type: Designed with a radius corner for precise, clean-fitting installations.
  • Zinc and Steel Substrate: Built on a zinc and steel substrate for added strength and stability.
  • Versatile Application: Suitable for cabinet, exterior, metal, and wood door applications where a concealed, flush-mount hinge is required.
  • Wood Screws Included: Wood mounting screws are included with each unit; machine screws are available for an additional charge.

Technical Specifications

  • Subcategory: Hinges and Pivots
  • Product Group: Door Hinges and Pivots
  • Product Subgroup: Concealed Hinges
  • Commercial/Residential: Commercial
  • Corner Type: Radius
  • Duty Level: Heavy Duty
  • Electronic: No
  • Series: 208 Series
  • Product Finish: US32D - Satin Stainless Steel
  • Product Size: 2-3/8"
  • Product Category: Door Hinges and Pivots
  • Product Substrate: Zinc and Steel
  • Department: Door Hardware
  • Application: Cabinet, Exterior, Metal, Wood
  • Min. Material Thickness: 1″
  • Fire Rating: No
  • Power Transfer: No
  • Closer: No
  • Counter Bored Screw Holes: No
  • Screws Included: Wood
  • Packaging: 1 / Box = 1 Each
  • Packages Per Container: 1 Each
  • Price Per: Each

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Cabinet and Millwork Installations
  • Multi-Tenant Residential Properties
  • Exterior Door Applications

Why SOSS 208?

SOSS 208 Series hinges deliver professional-grade reliability through complete 316 stainless steel construction and a durable US32D satin finish, built to a heavy-duty rating for demanding commercial applications. Their concealed design and full 180° single-action swing provide dependable, smooth operation and a clean flush appearance where compact size matters most.

Product Specs

Subcategory:
Hinges and Pivots
Product Group:
Door Hinges and Pivots
Product Type:
Invisible Hinges
Product Subgroup:
Concealed Hinges
Commercial/Residential:
Commercial
Corner Type:
Radius
Duty Level:
Heavy Duty
Electronic:
No
Series:
208 Series
Product Finish:
US32D - Satin Stainless Steel
Product Size:
2-3/8"
Product Category:
Door Hinges and Pivots
Product Substrate:
Zinc and Steel
Department:
Door Hardware

SOSS 208SSUS32D – Frequently Asked Questions

1) Will a SOSS 208 invisible hinge work on a 1 inch thick door?
One inch is the minimum material thickness for the 208, and it works up to 1-1/8 inches. That is a thin-door hinge by concealed-hinge standards, which is why it suits closet doors, cabinet doors, and millwork panels rather than a standard 1-3/4 inch commercial door. If your door is thicker than 1-1/8 inches, this is the wrong size in the SOSS line and you need to step up to a larger invisible hinge sized for that leaf thickness.
2) Is the SOSS 208 hinge suitable for an exterior door or a wet area?
The 208 is built in complete 316 stainless steel with a US32D satin stainless finish, and SOSS lists exterior as one of its rated applications alongside cabinet, metal, and wood. 316 is the marine-grade stainless alloy, so it is the version to specify for coastal, humid, or washdown openings rather than a plated-steel concealed hinge.
3) What does invisible mean on a SOSS 208 hinge, and will anything show when the door is closed?
The hinge mortises fully into the door edge and the frame, so with the door closed there is no knuckle, no barrel, and no leaf visible from either side. That is the whole point of the 208 over a butt hinge: on a flush panel or a paint-grade closet door, the edge reads clean. The tradeoff is that both the door and the jamb have to be routed to accept it, so it is not a drop-in swap for a surface-applied butt hinge.
4) Can I use a SOSS 208 invisible hinge on a fire rated door?
No. The 208 carries no fire rating, so it cannot go on a labeled fire door assembly. For a rated opening you need hinges listed as part of that assembly, and an unrated concealed hinge will fail inspection regardless of how well it is installed.
5) How far does a SOSS 208 concealed hinge let the door open?
A full 180 degrees, single action. The leaf swings one way only, so the door opens back flat against the wall or adjacent face but will not swing both directions. For a door that has to swing in and out, a concealed hinge is the wrong choice and you want a double-acting pivot instead.
6) Do I get mounting screws with the SOSS 208, or do I need to order them?
Wood screws ship with each hinge. If you are hanging a metal door or leaf, you need machine screws, and those are an extra-cost item rather than something in the box. Budget for them on any metal-to-metal install.
7) How many SOSS 208 hinges do I need per door, and are they sold individually?
Packaging is one hinge per box, priced each, so order the quantity you need per leaf rather than expecting a pair. SOSS publishes a hinge sizing chart and a hinge location detail for the 208 that give the count and placement for a given door size and weight, and those are the documents to work from before you rout anything.
8) Is the SOSS 208 rated for commercial traffic or is it a residential hinge?
Heavy duty, and classified for commercial use, which is why it turns up in office buildings, schools, healthcare, retail, and multi-tenant residential rather than only in homes. The 2-3/8 inch body is the compact size in the line, so it is heavy duty for its size class, not a substitute for a full-size invisible hinge on a heavy commercial leaf.
9) Does the SOSS 208 need a square or radius corner mortise?
Radius corner. The pocket is routed with a standard router bit and the hinge drops in without corner chiseling, which is faster on a jobsite than squaring out each mortise by hand. Match your router bit diameter to the radius shown on the SOSS 208 model drawing before you cut your first door.
10) Does the SOSS 208 hinge take an electric power transfer for an access control door?
It does not. The 208 is a purely mechanical hinge with no power transfer and no electrified option, so if you are running power to a lock, a strike, or a monitored contact, that has to come from an electric hinge, a power transfer loop, or a raceway elsewhere in the opening.
11) How much clearance does a SOSS 208 invisible hinge need next to the jamb or a return wall?
Concealed hinges swing the door edge out into the opening as they rotate, so the door needs free space beside the jamb that a butt hinge would not require. SOSS publishes an open clearance detail and a 90 degree open detail for the 208, plus a cased jamb detail, and those drawings give the actual swing envelope. Check them against tight closet returns, adjacent cabinetry, and side walls before committing to the concealed hinge on that opening.
12) Is the SOSS 208 handed, or does the same hinge work on left and right doors?
The 208 is non-handed. One part number, 208SS in US32D, covers both left and right hand openings, so a property manager standardizing across a building stocks a single item instead of mirrored pairs.
13) Does a SOSS 208 hinge have a built-in closer or self-closing action?
No closer is built in. The 208 is a free-swinging concealed hinge, so a door that has to latch on its own needs a separate closer, and on a thin 1 inch to 1-1/8 inch leaf that usually means a spring hinge or a small surface closer sized for the panel.
14) What finish does the SOSS 208 stainless hinge come in, and will it match my other satin stainless hardware?
US32D satin stainless steel is the only finish on the 208SS, and US32D is the standard commercial satin finish that matches typical satin stainless levers, pulls, and push plates. Since the hinge is concealed when the door is closed, the finish only reads at the door edge with the door open.
How fast can I get the SOSS 208SSUS32D delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the SOSS 208SSUS32D come with a warranty?
Absolutely. The SOSS 208SSUS32D is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the SOSS 208SSUS32D?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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