Hager WTBB1168 4-1/2X6 US3 Mortise Hinge BB 4.5" x 6" US3

Hager WTBB1168 4-1/2X6 US3 Mortise Hinge is a premium solution for high-frequency door applications, designed to meet the rigorous demands of commercial environments. Constructed from heavy-weight steel, this full mortise plain bearing wide throw hinge measures 4-1/2" by 6" and features a bright brass plated clear coated finish that not only enhances its aesthetic appeal but also provides durability and corrosion resistance. This hinge is engineered with ball bearings, ensuring smooth operation and longevity, making it ideal for use on hollow metal or wood composite doors paired with hollow metal frames. The five-knuckle design contributes to its strength, while the removable pin allows for easy installation and maintenance. Rated for three hours of fire resistance, it adds an extra layer of safety without compromising on performance. Hager's commitment to quality is evident in every aspect of the WTBB1168 hinge, which complies with ANSI/BHMA A156.1 standards. When considering door thickness, backset, and clearance requirements, this hinge will meet your architectural needs effectively. With a one-year limited warranty, you can trust in the reliability of Hager's commercial hinges for your next project.

MORTISE HINGE BB 4.5X6 US3

Full Mortise Plain Bearing Wide Throw Hinge, Heavy Weight, 4-1/2" by 6", Steel, 5 Knuckle, Bright Brass Plated Clear Coated Finish

Ball bearing heavy weight steel base hinge For use on hollow metal or wood composite doors with hollow metal frames requiring high 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