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Sugatsune adjustable concealed hinge delivers a three-way adjustment function that supports vertical, horizontal, and depth adjustment after the hinge is installed, so the door position can be fine-tuned without pulling hardware back out. This hinge is part of the HES3D-E series and is identified as HES3D-E190WT-UL, giving installers a clear match point when they need this specific invisible hinge style again. The hinge is designed for a 1.75 inch door, so it suits builds or retrofits around that door thickness where a recessed, invisible hinge is required. As an invisible hinge in the Invisible Hinges class, it sits hidden in the frame and flap recess, so the hardware does not interrupt the finished surface line. The white designation in the product name ties this unit to projects aligned with that version of the series.
The 3-way adjustment function that allows vertical, horizontal, and depth adjustment after the hinge is installed gives installers room to correct small drilling variations directly at the hinge rather than rebuilding frame or flap edges. The easy installation Lift-Off Feature, which splits into one part for the frame and one for the flap, lets the door be removed or rehung as a separate piece during routing, finishing, or hardware layout steps. Because the hinge can temporarily be hung and hold position without being affixed with screws, the installer can position the flap and frame together, evaluate swing arcs and margins, and then commit to full fastening once the fit is confirmed visually. The design in the Invisible Hinges category supports a recessed installation so the hinge body sits in prepared pockets.
This hinge is part of the Invisible Hinges product class, so it is suited to applications where the hinge must be concealed within the frame and flap recess. The specification for a 1.75 inch door means it aligns with doors built around that thickness, so cabinetmakers and door shops working in that dimension can route consistent mortises for repeat work. Its UL Rated performance for up to 3 hours supports door assemblies that need that level of fire-rating designation, tying this hinge to openings in projects where that rating is part of the hardware schedule. Because the hinge is in the Hinges category under Invisible and Recessed Hinges, it fits projects that prioritize a clean, uninterrupted surface line while still requiring full swing and stable support.
The 3-way adjustment function, allowing vertical, horizontal, and depth changes after the hinge is installed, lets the installer fine-tune reveals, correct for minor drilling offsets, and align latch engagement, which can reduce callbacks tied to rubbing or misaligned doors. The easy installation Lift-Off Feature, with one part for the frame and one for the flap, simplifies handling heavier or fully finished doors because each component can be worked separately while keeping hinge geometry consistent. Since the hinge can temporarily be hung and hold position without being affixed with screws, it supports staged fitting where the door is positioned, checked for clearances, then fastened, which streamlines workflow on multi-door runs. The hinge having successfully passed 300,000 open and close private cycle tests provides a quantified reference for long-term operation in busy door locations. Its UL Rated up to 3 hours status connects directly to specification-driven jobs where listed hardware is required as part of a code-oriented assembly. The polished nickel color detail allows builders to coordinate the invisible hinge with other metal elements in the project when edges or transitions expose portions of the hinge body.
The Sugatsune adjustable concealed hinge is specified for a 1.75 inch door, aligning it with door constructions built around that thickness for consistent mortising and hinge positioning.
The 3-way adjustment function allows vertical, horizontal, and depth adjustment after installation, so installers can fine-tune reveals and contact points by adjusting the hinge instead of altering the door or frame.
The Lift-Off Feature lets the hinge split into one part for the frame and one for the flap, so the door can be removed or rehung more easily during routing, finishing, or fitting steps.
This hinge can temporarily be hung and hold position without being affixed with screws, allowing the installer to set the door in place, evaluate swing and margins, then fasten once the layout looks correct.
The hinge successfully passed 300,000 open and close private cycle tests, giving a quantified indication of performance where doors are expected to see frequent operation over time.
The hinge is UL Rated for up to 3 hours, so it fits door assemblies that call for hardware with that rating as part of a three-hour fire-rated opening design.
The Sugatsune adjustable concealed hinge HES3D-E190WT-UL combines 3-way adjustment, a Lift-Off Feature, and invisible hinge construction to support accurate alignment on 1.75 inch doors. Its successful 300,000 open and close private cycle tests and UL Rating for up to 3 hours connect this hinge to projects that demand documented performance. The polished nickel color detail adds a clear finish reference when coordinating with other metal components. For work that specifies an invisible hinge with field-adjustable vertical, horizontal, and depth control, this model supports a precise, repeatable installation workflow.
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