ABH N4021 Concealed Mount Overhead Stop - Medium Duty, Satin BronzeThe ABH N4021 Concealed Mount Overhead Holder Stop is engineered for medium-duty applications, providing reliable stop, hold-open, and friction functions for moderate traffic and medium weight doors in commercial settings. With its concealed mount design, this unit not only enhances the aesthetic appeal of any space but also ensures maximum functionality.
Constructed from durable steel, the N4021 is built to withstand the rigors of daily use, making it an ideal choice for both single and double acting doors. The shock-absorbing spring offers a 3° to 5° cushion before reaching a dead stop, adding an extra layer of safety and preventing damage to your doors and hardware. This model is UL Listed for fire door assemblies, specifically for the stop function, accommodating 20-minute wood and 90-minute hollow metal door assemblies.
Available in a sophisticated satin bronze finish, the N4021 complements various design aesthetics while offering additional finish options to suit specific project requirements. It operates within an opening range of 85° to 110° in 5° increments and requires a minimum door thickness of 1-3/8". Whether for interior or exterior use, this non-handed design provides versatility for various applications, making it a top choice for architects, contractors, and facility managers.
Concealed Mount Overhead Holder and Stop - Medium Duty, Concealed Mount Medium Duty - Stop, Satin Bronze
Concealed mount medium duty overhead holder and stop providing stop, hold-open and friction functions for moderate traffic and medium weight doors in commercial applications.
N4021: Concealed Mount Medium Duty - Stop
Key Features
- Concealed Mount Design
- Medium Duty Construction
- Single or Double Acting
- Shock Absorbing Spring
- UL Listed for Fire Door Assemblies (Stop Function Only)
Specifications
| Model | N4021 |
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| Finish | Satin Bronze |
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| Finish Code | US10 |
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| Family | 4000 / N4000 |
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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 or double acting |
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| Operating Range | 85° to 110° opening (5° increments) |
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| Door Thickness | 1-3/8" minimum |
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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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| 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. For interior or exterior use on moderate traffic applications.
Features
- Shock Absorbing Spring
- Single or Double Acting
- UL Listed for Fire Door Assemblies (Stop Function Only)
- Concealed Mount Design
- Medium Duty Construction
Attributes
BRAND_ NAME: ABH
Door Configuration: Single or double acting
Door Thickness: 1-3/8" minimum
Family: 4000 / N4000
Finish: Satin Bronze
Finish Code: US10
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: N4021
Operating Range: 85° to 110° opening (5° increments)
Shock Absorption: 3° to 5° cushion before dead-stop
Weight: 2 lbs. average per unit
