ABH N4021 Concealed Mount Overhead Holder Stop - Medium Duty, Satin BrassThe ABH N4021 Concealed Mount Overhead Holder Stop is expertly designed for medium-duty applications, providing stop, hold-open, and friction functions tailored for moderate traffic and medium weight doors. Crafted from durable steel, this overhead holder stop showcases a sleek satin brass finish (Finish Code: US4), making it an ideal choice for both interior and exterior settings in commercial environments.
Featuring a concealed mount design, the N4021 offers an aesthetically pleasing installation while maintaining superior performance. Its non-handed construction accommodates both single and double-acting doors, ensuring versatility across various applications. Designed with an innovative shock-absorbing spring, it cushions the door's movement within an operating range of 85° to 110°, allowing for precise control and preventing abrupt stops.
This product is UL Listed for fire door assemblies, providing compliance for 20-minute wood and 90-minute hollow metal door configurations (stop function only). Weighing an average of 2 lbs per unit, the N4021 is engineered for reliability and ease of installation. With multiple finishes available, including custom options, the ABH N4021 is the perfect solution for architects, contractors, and facility managers seeking robust and stylish door hardware solutions.
Concealed Mount Overhead Holder and Stop - Medium Duty, Concealed Mount Medium Duty - Stop, Satin Brass
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 Brass |
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| Finish Code | US4 |
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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 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: N4021
Operating Range: 85° to 110° opening (5° increments)
Shock Absorption: 3° to 5° cushion before dead-stop
Weight: 2 lbs. average per unit
