ABH N4421 Surface Mount Overhead Holder Stop - Medium Duty, Bright BrassThe ABH N4421 Surface Mount Overhead Holder Stop is engineered for medium-duty applications, making it an ideal choice for single acting doors in commercial settings. This surface-mounted device offers versatile functionality, including stop, hold-open, and friction features, ensuring optimal performance and durability.
Constructed from high-quality steel, the N4421 is designed to withstand moderate traffic while providing reliable operation. Its non-handed design simplifies installation, accommodating various door configurations without the need for adjustments. The shock-absorbing spring enhances user experience by providing a smooth, controlled stop within an operating range of 85° to 110° in 5° increments, with a cushioning effect of 3° to 5° before reaching the dead-stop.
Notably, the N4421 is UL Fire Door Listed, making it suitable for 20-minute wood and 90-minute hollow metal door assemblies when used in the stop function. Finished in elegant bright brass (US3), this overhead holder stop not only meets aesthetic preferences but also complies with rigorous safety standards. Fasteners for 1-3/4" to 1-7/8" doors are included for convenient installation.
Surface Mount Overhead Holder and Stop - Medium Duty, Surface Mounted Medium Duty - Stop, Bright Brass
Surface mount medium duty overhead stop and holder providing stop, hold-open and friction functions for single acting doors in commercial applications.
N4421: Surface Mounted Medium Duty - Stop
Key Features
- Medium Duty Construction
- Surface Mount Design
- Shock Absorbing Spring
- Non-Handed Design
- UL Fire Door Listed
Specifications
| Model | N4421 |
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| Finish | Bright Brass |
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| Finish Code | US3 |
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| Family | 4400 / N4400 |
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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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| 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 1-7/8" 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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Single acting doors only. Standard installation for moderate traffic applications.
Features
- Surface Mount Design
- Shock Absorbing Spring
- UL Fire Door Listed
- Non-Handed Design
- Medium Duty Construction
Attributes
BRAND_ NAME: ABH
Family: 4400 / N4400
Fasteners: Sex bolts for 1-3/4" to 1-7/8" 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: N4421
Operating Range: 85° to 110° opening (5° increments)
Shock Absorption: 3° to 5° cushion before dead-stop
Weight: 2 lbs. average per unit
