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The Sugatsune 304B-C46/9 is a concealed long arm European hinge built from 304 stainless steel, with a self-close spring and 3/8 inch overlay geometry, for face-frame and frameless cabinet doors in environments where standard plated steel falls short.
This hinge is designed for the jobs where the finish on a standard nickel or black nickel hinge would not last: commercial kitchens, food-service cabinetry, wet bars, boat interiors, healthcare millwork, and outdoor-adjacent applications where humidity and cleaning chemicals are regular presences. The 304 series stainless body resists corrosion without a plated coating that can chip or wear through, so the hinge looks and functions the same after years of exposure that would degrade a standard plated part.
The 3/8 inch partial overlay sits the door over the cabinet edge by just under half an inch, the geometry used on partial-overlay face-frame doors and on pairs of doors sharing a center partition. The 35mm cup bores into the back of the door and the arm mounts to a separate base plate on the cabinet, ordered separately and matched to your cabinet construction. The 43mm bore pattern is the Sugatsune 304B spec, so confirm this measurement when sourcing replacement hinges or matching existing boring.
Every component is stainless steel, not a steel hinge with a stainless-look finish. That distinction matters when the cabinetry will be cleaned with commercial products, exposed to steam, or installed in a coastal or high-humidity setting. The screw-on mount fastens directly to the cabinet with wood screws for a rigid connection. The pair weight rating of 11 lbs is a measured figure for this hinge; use the manufacturer's load guidance to determine how many hinges the door requires based on its height and weight.
Cabinet shops, millwork contractors, and designers specifying commercial or wet-area cabinetry will find this hinge where standard Euro hinges stop being the right answer. It works on both frameless and face-frame boxes, so it fits a range of construction styles without switching products. Homeowners upgrading a wet bar, outdoor kitchen, or marine environment will also find the 304 stainless body worth the step up from plated alternatives. This is a self-close hinge, not a soft-close hinge: the spring pulls the door shut but does not cushion the close. For a damped, quiet close in a demanding environment, a separate soft-close adapter would need to be sourced.
304 stainless steel performs well in humid indoor environments, wet areas, and applications involving regular cleaning. For fully exposed exterior installations or salt-air coastal environments, 316 stainless is the more corrosion-resistant choice. This hinge is 304 grade.
No. The hinge body mounts to a separate base plate that attaches to the cabinet side or stile. The plate is sold separately and should be matched to your cabinet construction type and desired door position.
Self-close uses a spring to pull the door shut from the last few degrees of travel. Soft-close adds a damper that slows the door so it settles quietly. This hinge is self-close: it closes the door on its own but does not cushion the final contact.
The Sugatsune 304B series uses a 43mm bore pattern. If you are replacing hinges or drilling new holes, confirm the 43mm spacing before boring. Existing 45mm-pattern holes will not align with this hinge.
Specify the 304B-C46/9 when the environment demands full stainless construction and a partial-overlay self-close hinge that keeps working long after a plated alternative would show its age.
Sold In: 1 Each
Quantity | Unit Price | Catalog | ||||
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Sold in: 1 Each |  SL304B-46/9 Mfr# 304B-46/9 | Sugatsune Olympia 100° 9mm Overlay Hinge Free Swinging Stainless Steel Screw-On 304B-46/9 |