Hager BB1279 4-1/2X4-1/2 26D ETW12 Standard Weight 12 Wire Hinge

Hager BB1279 4-1/2X4-1/2 26D ETW12 Hinge is a robust full mortise ball bearing hinge designed for both hollow metal and wood composite doors. Measuring 4-1/2" by 4-1/2", this standard weight hinge features five knuckles and is crafted from durable steel, ensuring long-lasting performance in medium frequency service environments. With a satin chrome finish, the hinge not only adds aesthetic appeal but also enhances durability. This hinge is engineered to meet ANSI/BHMA A156.1 standards, making it suitable for commercial applications. It features a non-removable pin type, ensuring added security against tampering. The hinge is fire rated for 3 hours, providing peace of mind in safety compliance. Installation is straightforward, as both leaves are mortised-one into the door and the other into the frame-ensuring a flush fit. Additionally, the BB1279 can accommodate various door thicknesses, backsets, and clearance requirements, making it versatile for different setups. Hager’s reputation as a leading manufacturer of architectural hinges ensures that you are investing in quality and reliability. Whether you're a building professional or a knowledgeable homeowner, the Hager BB1279 is an excellent choice for your hinge needs.

HINGE, STANDARD WEIGHT,12 WIRE

Full Mortise Ball Bearing Hinge, Standard Weight, 4-1/2" by 4-1/2", Steel, 5 Knuckle, 12-Wires, Satin Chrome 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, they are 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

Resources

• Hager Commercial Hinges Cut Sheet