Hager BB1279 5X4-1/2 26D ETW4 Standard Weight Hinge

Hager BB1279 5X4-1/2 26D ETW4 HINGE, STANDARD WEIGHT is a full mortise ball bearing hinge designed for medium frequency service on hollow metal or wood composite doors paired with hollow metal frames. Measuring 5 inches by 4-1/2 inches, this hinge is crafted from durable steel and features five knuckles and four wires, ensuring robust performance and longevity. The satin chromium plated finish of the Hager BB1279 adds a sleek, matte silver aesthetic that complements modern architectural designs while also providing corrosion resistance. Manufactured in accordance with ANSI/BHMA A156.1 standards, this hinge guarantees reliability and quality assurance for commercial applications. With a fire rating of up to three hours, it enhances safety in emergency situations. The non-removable pin type ensures added security, making it ideal for high-traffic areas. Additionally, the hinge supports various installation types, including full mortise, half mortise, and full surface options, allowing for versatile applications in different door configurations. Whether you’re a building professional or a knowledgeable homeowner, the Hager BB1279 hinge combines functionality with aesthetic appeal, making it an excellent choice for your next project. Each hinge comes with a one-year limited warranty, underscoring Hager's commitment to quality.

HINGE, STANDARD WEIGHT

Full Mortise Ball Bearing Hinge, Standard Weight, 5" by 4-1/2", Steel, 5 Knuckle, 4-Wires, Satin Chromium Plated 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