Hager BB1279 4-1/2X4-1/2 26D ETW6 Standard Weight Hinge

Hager BB1279 4-1/2" x 4-1/2" 26D ETW6 Hinge is a full mortise ball bearing hinge designed for both hollow metal and wood composite doors. This standard weight hinge features a robust steel construction with a satin chrome finish that not only enhances its aesthetic appeal but also ensures durability in medium frequency service environments. With five knuckles and six wires, it provides smooth operation and longevity, making it an ideal choice for commercial applications. Manufactured in accordance with ANSI/BHMA A156.1 standards, the Hager BB1279 assures quality and reliability. Its full mortise design allows for seamless integration, where one leaf is mortised into the door and the other into the frame. Fire rated for up to three hours, this hinge meets safety requirements while maintaining functionality. Additionally, it features a non-removable pin type for added security and is compatible with various door thicknesses, backsets, and clearance requirements. The hinge is available individually, making it easy to incorporate into existing hardware setups. Trust Hager for high-performing architectural hardware that stands the test of time.

HINGE, STANDARD WEIGHT

Full Mortise Ball Bearing Hinge, Standard Weight, 4-1/2" by 4-1/2", Steel, 5 Knuckle, 6 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