The National Hardware Bi-Fold Door Hinge is designed for bi-fold doors that are at least 1 in thick. It features a surface mount design that requires no mortising, making installation straightforward. Constructed from steel with an oil-rubbed bronze finish, this hinge includes two door hinges and has a non-removable tight, non-rising pin for added security.

• Designed for bi-fold doors at least 1 in thick.
• Surface mount, no mortising required.
• Non-removable tight, non-rising pin.