This is a bottom mount pivot used by many bi-fold doors manufacturers. The 3/8 inch diameter nylon base houses a grooved pivot tip that screws in or out for adjustment. Used with the N 6674 pivot bracket.
This bi-fold door pivot is constructed from nylon. It features a spring-loaded top mount design with a 7/16 inch diameter cap. With the spring loaded design it makes the removal of the door effortless. The 7/16 inch nylon base is used by a variety of different bi-fold doors.
These bi-fold roller guides are constructed of steel, nylon and plastic components. They are commonly used with Kenna Frame bi-fold doors, but many other manufacturers also use this same size guide. These spring-loaded roller guides feature 7/8 in. outside diameter wheels that are 1//4 in. thick with a 3/8 in. outside diameter base. These guides mount on the top edges of bi-fold doors and require only a 3/8 in. diameter hole in which to insert. Use these top-mounted guides where rollers are missing, damaged or not working properly, to restore bi-fold doors to the ease of operation they were designed to have.