ABH N4421 Surface Mount Overhead Holder Stop - Medium Duty, S3 (BZPC)The ABH N4421 Surface Mount Overhead Holder Stop is designed for medium-duty applications, providing essential stop, hold-open, and friction functions for single-acting doors in commercial environments. Crafted from durable steel and featuring a surface-mounted design, this overhead holder stop ensures reliable performance and longevity.
With a weight of only 2 lbs. per unit, the N4421 is not only lightweight but also efficient, making it ideal for moderate traffic applications. The shock-absorbing spring provides a smooth operation, allowing for an adjustable operating range from 85° to 110° in 5° increments, while cushioning the door movement with a 3° to 5° cushion before reaching the dead-stop position.
This product is UL Fire Door Listed, compliant for use with 20-minute wood and 90-minute hollow metal door assemblies, ensuring safety in fire-rated applications. The non-handed design allows for versatile installation, and it comes complete with sex bolts for doors ranging from 1-3/4" to 1-7/8". Available in S3 (BZPC) finish along with various other finish options, the N4421 is the perfect choice for architects, contractors, and facility managers seeking a reliable solution for their door hardware needs.
Surface Mount Overhead Holder and Stop - Medium Duty, Surface Mounted Medium Duty - Stop, S3 (BZPC)
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 | S3 (BZPC) |
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| Finish Code | S3 |
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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: S3 (BZPC)
Finish Code: S3
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
