ABH N4021RA Concealed Mount Overhead Holder Stop - Medium Duty Adjustable, Bright BrassThe ABH N4021RA Concealed Mount Overhead Holder Stop is expertly designed for medium-duty applications, making it an ideal choice for environments with frequent door traffic. Crafted from durable steel, this overhead stop features a concealed mount design that ensures a sleek, unobtrusive appearance while providing reliable performance.
One of the standout features of the N4021RA is its internal channel slide, allowing for a field-adjustable opening range from 85° to 110° in 5° increments. This flexibility makes it suitable for various door configurations, enhancing operational efficiency. The shock absorption mechanism provides a 3° to 5° cushion before reaching the dead stop, ensuring gentle and controlled door movement.
In addition to its practical applications, the N4021RA is UL Listed for use in fire door assemblies, with certification for both 20-minute wood and 90-minute hollow metal door assemblies (stop function only). The unit is finished in bright brass (US3), providing both durability and aesthetic appeal, with a range of custom finishes available to suit any architectural style.
With included sex bolts for easy installation on 1-3/4" to 2-1/4" doors, the ABH N4021RA is the perfect solution for architects, contractors, and facility managers seeking quality and reliability in commercial door hardware.
Concealed Mount Overhead Holder and Stop - Medium Duty Adjustable, Concealed Mount Medium Duty - Stop, Bright Brass
Concealed mount medium duty overhead holder and stop with internal channel slide for field-adjustable opening range, suitable for frequent traffic applications.
N4021RA: Concealed Mount Medium Duty - Stop
Key Features
- Internal Channel Slide
- Medium Duty Construction
- Field Adjustable Opening
- Concealed Mount Design
- UL Listed for Fire Door Assemblies (Stop Function Only)
Specifications
| Model | N4021RA |
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| Finish | Bright Brass |
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| Finish Code | US3 |
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| Family | 4000RA / N4000RA |
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| Material | Steel |
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| Finishes | US3, US4, US9, US10, US10B, US26, US32, US32D, S1/ALPC, S2/BSPC, S3/BZPC, S4/BSPC, S5/DBPC, S8/WSPC, Custom Finishes Available |
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| Functions Available | Stop, hold-open, friction |
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| Door Configuration | Single acting only |
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| Operating Range | 85° to 110° opening (5° increments) |
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| Shock Absorption | 3° to 5° cushion before dead-stop |
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| Weight | 2 lbs. average per unit |
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| Fasteners | Sex bolts for 1-3/4" to 2-1/4" doors (included) |
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| Fire Rating | UL Listed for 20-minute wood and 90-minute hollow metal door assemblies (stop function only). |
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Non-handed design. Internal channel slide allows adjustable degree of opening in field.
Features
- Internal Channel Slide
- Field Adjustable Opening
- UL Listed for Fire Door Assemblies (Stop Function Only)
- Medium Duty Construction
- Concealed Mount Design
Attributes
BRAND_ NAME: ABH
Door Configuration: Single acting only
Family: 4000RA / N4000RA
Fasteners: Sex bolts for 1-3/4" to 2-1/4" doors (included)
Finish: Bright Brass
Finish Code: US3
Finishes: US3, US4, US9, US10, US10B, US26, US32, US32D, S1/ALPC, S2/BSPC, S3/BZPC, S4/BSPC, S5/DBPC, S8/WSPC, Custom Finishes Available
Fire Rating: UL Listed for 20-minute wood and 90-minute hollow metal door assemblies (stop function only).
Functions Available: Stop, hold-open, friction
Material: Steel
Model: N4021RA
Operating Range: 85° to 110° opening (5° increments)
Shock Absorption: 3° to 5° cushion before dead-stop
Weight: 2 lbs. average per unit
