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The Sugatsune 304B-46/9 is a 304 stainless steel concealed hinge built for free-swinging cabinet doors at a 3/8 inch overlay, on both face-frame and frameless cabinets. It is the choice where corrosion resistance matters and where a damper or spring would get in the way.
A free-swinging hinge does not pull the door shut on its own and does not cushion the close. The door stays exactly where it is set, which is precisely what certain applications demand. Push-to-open systems need a free-swinging hinge because a self-close spring would fight the opener mechanism. Display cases and some wet bar or utility cabinetry benefit from a door that holds open at any angle without a damper tugging it back. In any of those situations, the 304 stainless build adds a second advantage: it holds up in spaces that see condensation, cleaning spray, or salt air where a nickel-plated steel hinge would eventually show it.
The 35mm cup bores into the door and the arm mounts to a base plate on the cabinet, ordered separately. Match the plate to your cabinet construction and to the Sugatsune 304B series. Plates are not interchangeable across brands.
Most concealed hinges in the catalog are plated steel. This one is solid 304 stainless, which behaves differently in high-humidity, food-adjacent, or marine-adjacent spaces. The finish is not a coating over steel that can chip or corrode at a scratch; it is the material itself. The stainless appearance also reads as clean and modern in exposed or glass-door applications where a nickel hinge would look heavier. The weight rating per pair is 11 lb, so the door weight and count should be confirmed against the manufacturer's load guidance before specifying.
Cabinet shops building wet bar, laundry, or utility cabinetry are the natural buyers here, as are millworkers specifying display cases or food-service casework where a corrosion-resistant hinge is part of the spec rather than a preference. Designers sourcing hardware for coastal or humid environments find the 304 stainless a cleaner answer than asking a finish to do work it was not built for. The screw-on mount is straightforward for any installer familiar with concealed hinges, and the hinge fits both face-frame and frameless boxes, so it works across mixed cabinet inventories. For any application that needs the door to stay open and stay clean, this is the hinge to reach for.
Not on its own. Free-swinging hinges have no spring or damper, so the door will not stay closed without a separate catch or magnetic closure. Plan for one when specifying this hinge.
The Sugatsune 304B series uses a 43mm boring pattern. That is specific to this product. If you are replacing an existing hinge, confirm that your door's existing bore spacing matches 43mm before ordering.
No. The base plate mounts to the cabinet and the hinge arm connects to it, but the plate is a separate purchase. Use a plate matched to the Sugatsune 304B series and your cabinet construction.
A separate soft-close adapter is an option for some concealed hinge families, but compatibility depends on the brand and series. Confirm with Sugatsune's accessories for the 304B line before specifying an adapter.
When the cabinet lives in a damp space, faces cleaning chemicals, or is simply too visible for a plated hinge, the 304 stainless construction makes the specification easy to defend.
Sold In: 1 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each |  SL304B-C46/9 Mfr# 304B-C46/9 | Sugatsune Olympia 100° 9mm Overlay Hinge Self Closing Stainless Steel Screw-On 304B-C46/9 |