Hager BB1279 4X4 US4 ETW4 Standard Weight Hinge with 4 Wires

Hager BB1279 4X4 US4 ETW4 Hinge is a full mortise ball bearing hinge designed for durability and reliable performance on medium frequency service doors. With dimensions of 4" by 4", this standard weight hinge is crafted from high-quality steel and features a satin brass plated clear coated finish that enhances both aesthetics and resistance to wear. This hinge is engineered for use on hollow metal or wood composite doors, making it a versatile choice for commercial applications. It includes four wires for power transfer, catering to electrified hinge requirements, ensuring seamless integration with access control systems. The five-knuckle design promotes stability and smooth operation, while the non-removable pin type adds an extra layer of security. Manufactured in accordance with ANSI/BHMA A156.1 standards, this hinge guarantees exceptional performance and reliability. It is also fire rated for up to three hours, providing peace of mind in safety compliance. The BB1279 hinge is suitable for both new installations and replacements, making it an essential component for any professional's toolkit. With a limited one-year warranty, you can trust in Hager's commitment to quality and innovation in architectural hardware.

HINGE, STANDARD WEIGHT,4 WIRES

Full Mortise Ball Bearing Hinge, Standard Weight, 4" by 4", Steel, 5 Knuckle, 4-Wires, Satin Brass Plated Clear Coated 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