Description
Hager BB1279 4-1/2X4-1/2 L1 ETW8 Standard Weight Hinge
Hager BB1279 4-1/2X4-1/2 L1 ETW8 HINGE is a full mortise ball bearing hinge designed for reliability and durability in commercial settings. Measuring 4-1/2″ by 4-1/2″, this standard weight hinge is constructed from high-quality steel and features a robust 5-knuckle design along with 8 wires, ensuring smooth operation and longevity. The hinge is finished in a sleek flat black, providing both aesthetic appeal and protection against wear. Engineered for use on hollow metal or wood composite doors with hollow metal frames, the Hager BB1279 is ideal for medium frequency service areas. Its full mortise design allows for seamless integration into doors and frames, while the removable pin type facilitates easy installation and maintenance. With a fire rating of 3 hours, this hinge meets strict safety standards and is manufactured according to ANSI/BHMA A156.1 specifications. Whether you are outfitting new constructions or upgrading existing hardware, the Hager BB1279 hinge is a trusted choice for building professionals and discerning homeowners alike. Its compatibility with a range of door types and its robust construction make it an essential component for ensuring functionality and security in any commercial environment.
HINGE, STANDARD WEIGHT
Full Mortise Ball Bearing Hinge, Standard Weight, 4-1/2″ by 4-1/2″, Steel, 5 Knuckle, 8-Wires, Flat Black Finish
Ball bearing standard weight steel base hinge for use on hollow metal or wood composite doors with hollow metal frames requiring medium frequency service
There are three dimensions to know in order to determine the minimum width of the hinge: door thickness, backset, and clearance required.
Today, the Hager name is synonymous with architectural hinges. In fact, theyare the industry’s premiere designer and manufacturer of architectural hinges, with a product line that offers one of the widest varieties of sizes, shapes, and finishes–all of which meet or exceed ANSI standards.
- Hinges are manufactured in accordance with ANSI/BHMA A156.1. Self-closing hinges and pivots are in accordance with ANSI/BHMA A156.17 using three hinges per opening on a 3’0” x 7’0” x 1-3/4” (914 mm x 2134 mm x 44 mm) door.
- Round corners are available in 1/4” (6 mm) (standard) or 5/8” (16 mm) radius.
- Full Mortise Both leaves are mortised, one leaf in the door and one leaf in the frame (wood door or hollow metal door with wood frame or hollow metal frame). Example: BB1279, 4-1/2” x 4-1/2” (114 mm x 114 mm), US26D
- Half Mortise One leaf is mortised in the door and the other is surface applied to the frame (hollow metal door with channel iron frame). Example: BB1109, 4-1/2” (114 mm), US26D
- Full Surface Both leaves are applied to the surface, one to the door and the other to the frame (metal core door or hollow metal door with channel iron frame). Example: BB2171, 5” (127 mm), USP
- Half Surface One leaf is mortised in the frame and the other is surface applied to the face of the door (wood door with wood frame or metal core door with hollow metal frame)Example: BB1163, 5” (152 mm), US26D
Attributes
Manufacturer surcharge: 8.75%
Base Material: Steel
Bearing Type: Ball Bearing
Commercial Residential: Commercial
Finish: 693
Finish Family: Black
Fire Rated: 3 Hours
Fire Rating: 3 Hours
Hinge Type: Hinge, Full Mortise
Installation: Commercial
Knuckles: 5
Limited Warranty: 1 Year
Pack Qty: 1
Pin Type: Removable
Power Transfer: 8-28GA
Series: Hager Commercial Hinges
Subtype: Electrified Hinges
Type: Hinges and Pivots
Unit of Measure: Each
Weight: Standard Weight
Resources
- Hager Commercial Hinges Cut Sheet
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