ABH N4021RA Concealed Mount Overhead Stop - Medium Duty Adjustable, Satin BrassThe ABH N4021RA Concealed Mount Overhead Holder Stop is engineered for medium-duty applications where reliability and aesthetics are paramount. This overhead holder features a concealed mount design, allowing it to blend seamlessly into any environment, making it an ideal choice for high-traffic areas in commercial buildings.
Constructed from durable steel, the N4021RA offers robust performance while maintaining a sleek appearance with its elegant satin brass finish. The internal channel slide mechanism provides a field-adjustable opening range, accommodating angles from 85° to 110° in 5° increments, ensuring versatility for various door configurations.
This model is UL Listed for fire door assemblies in both 20-minute wood and 90-minute hollow metal door applications, reinforcing its compliance with safety standards. The shock absorption feature allows for a gentle cushion of 3° to 5° before reaching a dead stop, protecting both the door and hardware from undue stress.
With its easy installation using sex bolts for 1-3/4" to 2-1/4" doors, the N4021RA is designed for single acting doors and supports multiple functions including stop, hold-open, and friction. Choose the ABH N4021RA for a reliable and aesthetically pleasing solution to your overhead door hardware needs.
Concealed Mount Overhead Holder and Stop - Medium Duty Adjustable, Concealed Mount Medium Duty - Stop, Satin 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 | Satin Brass |
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| Finish Code | US4 |
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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: Satin Brass
Finish Code: US4
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
