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Rockford Process overlay hinge is a free swinging, semi-concealed institutional hinge that allows doors to open to 270 degrees, so doors can swing well past 90 degrees and clear the front of the frame for wide access in service areas. The five knuckle construction stabilizes the moving leaf along the full barrel height, which helps the door track smoothly over repeated openings in institutional and cabinetry applications. This hinge is screw-on, so it fastens directly through the leaves for a solid mechanical connection to the frame and door. The dull chrome finish provides a neutral, low-sheen appearance that blends into many casework and metal or laminate environments. As a semi-concealed hinge, part of the leaf remains visible, which makes visual alignment and inspection straightforward during and after installation on cabinets or frames.
This free swinging overlay hinge is a screw-on style, so the leaves are secured with screws driven through preformed holes in the metal, giving a direct mechanical connection to wood, composite, or compatible substrates. The design for the 32 mm hole system means the hinge works within that common casework drilling grid, letting installers line up hinges along standardized rows without extra layout steps. A frame leaf length of 1-3/4 inches helps define how far the hinge extends along the frame surface, guiding placement relative to door height and spacing from other hardware. Elongated holes on both leaves allow small shifts of the hinge position before final tightening, which helps tune reveals and door swing without redrilling. The five knuckle layout and tight screw pin then support a controlled, repeatable motion once the hinge is fixed in place.
This hinge is categorized as a semi-concealed institutional hinge, so part of the hardware remains visible while the working geometry supports frequent use in cabinets or enclosures that see regular opening cycles. The ability to swing to 270 degrees lets the door fold farther back against adjacent surfaces, so openings remain clear for access to cabinet interiors or equipment spaces. The hinge is designed for the 32 mm hole system, which aligns with many production and commercial casework lines that rely on that drilling pattern for hardware placement. Hospital grade tips at the barrel ends support use in hospital or institutional installations, where rounded or smoothed tip profiles at the hinge barrel are preferred along corridor or casework edges. The dull chrome finish provides a subdued metallic appearance, matching environments that call for a functional, non-reflective hinge surface.
The five knuckle construction and barrel height of 2-3/4 inches help distribute opening forces along a taller hinge profile, which supports smoother operation as doors are moved through the full free swing to 270 degrees. A material thickness of 0.095 inches, noted as 2.4 mm, gives the leaves a solid cross-section, which contributes to hinge rigidity under everyday loading when attached to the frame and door. The tight screw pin keeps the leaves closely engaged at the knuckles, which reduces lateral play and helps doors track evenly when opened or closed many times per day. Elongated holes on both leaves allow small positional adjustments during installation, which makes it easier to align multiple hinges along a tall door and achieve consistent reveals top to bottom. The dull chrome finish supports a practical, low-glare appearance that blends with hardware in many institutional, commercial, or shop-built cabinet runs.
The Rockford Process 374-26D is a free swinging, semi-concealed institutional overlay hinge with a five knuckle design, so it supports frequent door use while leaving part of the hinge visible for straightforward positioning.
The hinge is described as 270 degree, so it allows the door to swing well past a standard right angle, which helps keep the opening clear for cabinet, casework, or equipment access.
The hinge is designed for the 32 mm hole system, so it aligns with casework drilled on that pattern, allowing hinge placement along standard rows without extra layout steps.
The frame leaf length of 1-3/4 inches defines how much surface the hinge contacts on the frame, guiding hinge spacing and giving a clear reference when planning frame-side support.
Elongated holes on both leaves allow slight movement of the hinge during mounting, which helps fine-tune reveals and alignment before tightening the fasteners fully.
The material thickness of 0.095 inches, or 2.4 mm, provides a substantial hinge leaf cross-section, supporting rigidity and stable motion when the door is opened and closed.
The Rockford Process 374-26D is a free swinging, five knuckle overlay hinge in dull chrome that works within the 32 mm hole system and opens to 270 degrees, so it supports wide-opening institutional or cabinet doors. The semi-concealed format, 1-3/4 inch frame leaf length, and 2-3/4 inch barrel height give clear references for layout and frame engagement during installation. Hospital grade tips, a tight screw pin, and elongated holes on both leaves combine to support smooth motion and practical field adjustment when setting final reveals across a cabinet or casework run.
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