Grass Full overlay Institutional Hinge, 270º Dowel Nickel - F150000021233

Grass Full Overlay Institutional Hinge For Wide Opening

Grass full overlay institutional hinge gives you a semi-concealed hinge solution that replaces fixed 5 knuckle hinges with an adjustable, cleaner looking alternative. As part of the Grass MB Series barrel institutional hinges, it is designed to offer ease of installation, on-site adjustment, and a finished appearance on institutional casework and similar projects. The hinge is specified for full overlay doors, so the door can cover the cabinet side while still benefiting from the functional range of motion. Its bright nickel plated finish provides a consistent, professional look that coordinates with other nickel hardware in the same environment. Because the hinge is institutional-grade, it is suited to applications where repeated use and alignment control are important over time.

Key Functional Details That Support Daily Use

• The Grass MB Series barrel institutional hinge design replaces non-adjustable 5 knuckle hinges, allowing installers to move from fixed pin hardware to an engineered system that supports field adjustment without pulling the door off the job.
• Tool-less assembly of the hinge arm to the hinge cup lets the door be removable, which speeds installation, allows straightforward door removal for finishing, and helps during later adjustments in tight spaces.
• Height adjustment of plus 2 mm and side-to-side adjustment of 2 mm give you controlled tuning of door edge gaps, helping correct minor drilling variations and align adjacent doors for a uniform reveal.
• The wide 270 degree opening angle on a full overlay application lets doors open back out of the way, which clears the cabinet opening for better access to contents and reduces interference in high-traffic corridors.
• Integrated cover caps on all hinge arms conceal mounting screws, giving casework a cleaner front appearance and reducing exposed screw heads that can catch clothing or collect debris in commercial settings.
• The integrated door catch holds doors in the closed position without additional hardware, simplifying the hardware schedule and reducing parts on the case while still keeping doors positively closed.

Dowelled Hinge Cup And Mounting Options

The hinge uses a dowelled hinge cup, which fits into prepared dowel holes in the door, giving repeatable positioning and solid anchoring in the panel material during institutional use. The hinge cup diameter is 45 mm, so drilling layouts can be set around that size for repeat drilling on production equipment or jigs. The system offers two hinge cup types, screw-on and dowelled, letting you match the mounting style to door construction and shop preference while keeping the same MB Series hinge performance. Four different hinge arms are available within this system, so the same basic hardware family can be set up for different door positions while maintaining consistent appearance and adjustment behavior across a project.

Using This Semi-Concealed Hinge In Projects

Where This Institutional Hinge Works Best

This hinge is categorized as a semi-concealed hinge, so most of the hardware tucks out of sight while still leaving a portion visible, which suits institutional and commercial casework where access and inspection are important. As a full overlay institutional hinge with a 270 degree opening angle, it works in layouts where doors need to swing well past 90 degrees, such as cabinets that open alongside corridors, equipment, or adjacent casework. The bright nickel plated finish supports use in interior environments where a neutral metallic appearance is preferred, aligning visually with other bright nickel hardware on doors and cabinetry. Being part of the Grass MB Series, the hinge delivers a coordinated barrel-style look that can be repeated across banks of doors in medical, educational, or similar facilities that call for a consistent hardware language.

Adjustment, Grade Rating, And Long-Term Alignment

The hinge offers a height adjustment of plus 2 mm and a side-to-side adjustment of 2 mm, which translates into practical control over vertical and lateral door positioning to refine reveals without redrilling. That adjustment range helps compensate for small variations in drilling depth or hole location on production runs, preventing misalignment from slowing installation. The tool-less assembly of the hinge arm to the hinge cup means the door can be removed simply, which is useful during finishing, hinge arm selection, or when accessing interiors for service. An integrated door catch keeps doors in the closed position without separate catches, reducing extra components while still providing a defined closing point. The hinge meets ANSI/BMHA A156.9-2003 Grade 1 hinge requirements, indicating that it has been tested to a recognized institutional hinge performance standard, which matters on projects that specify grade-compliant hardware. Since hinge cups and hinge arms are sold separately within the system, installers can pair the dowelled hinge cup with one of the four arm types to match different door overlays while maintaining the same Grade 1 institutional hardware family.

Common Questions About This Grass MB Series Hinge

Selecting This Hinge For Institutional Casework

The Grass full overlay institutional hinge, dowelled nickel version F150000021233, combines a 270 degree opening angle, field-adjustable mounting, and an integrated door catch in a semi-concealed format suitable for institutional casework. With a 45 mm dowelled hinge cup, optional screw-on or dowelled cup styles, and four available arms in the MB Series system, it adapts to different overlays while maintaining the same appearance and Grade 1 performance standard. For institutional projects that specify Grass America hardware and call for full overlay doors with wide opening and controlled reveals, this hinge offers a focused solution ready to integrate into your drilling patterns and door construction.