Description
The Ives 5BB1 is a 5-knuckle ball bearing hinge engineered for medium-weight interior and exterior doors. Full mortise design provides seamless integration into door frames. Ball bearings reduce friction and wear, ensuring smooth door operation over years of use. Ideal for commercial buildings, offices, and residential applications requiring reliable, durable hardware.
These 4.5x4.5 inch hinges ship in black finish and accommodate standard door frame preparations. Installation requires mortising into both door and frame. As an authorized Ives dealer, E.D. Locks provides expert guidance on sizing, finish options, and installation questions. Contact sales@edlocks.com or 1-877-207-6067 for compatibility verification or product recommendations tailored to your project.