ABH N4421 Surface Mount Overhead Holder Stop - Medium Duty, S2 (BSPC)The ABH N4421 Surface Mount Overhead Holder Stop is engineered for commercial applications requiring reliable performance and durability. Designed specifically for single acting doors, this medium-duty device combines stop, hold-open, and friction functions to enhance accessibility and user experience in various environments.
Constructed from high-quality steel, the N4421 features a robust surface mount design that allows for easy installation on doors ranging from 1-3/4" to 1-7/8" thick, with sex bolts included for convenience. Its shock-absorbing spring provides a gentle cushion of 3° to 5° before reaching a dead-stop, ensuring smooth operation and reducing wear on both the hardware and door.
This model offers a non-handed design for versatility and 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. The operating range accommodates openings from 85° to 110° in 5° increments, catering to diverse architectural needs.
The finish is available in S2 (BSPC) and various other options, ensuring that the N4421 can seamlessly integrate into your design aesthetic while providing exceptional performance.
Surface Mount Overhead Holder and Stop - Medium Duty, Surface Mounted Medium Duty - Stop, S2 (BSPC)
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 | S2 (BSPC) |
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| Finish Code | S2 |
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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: S2 (BSPC)
Finish Code: S2
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
