The National Hardware® 391D Folding Door Hardware Set provides everything needed to install or replace bi-fold door hardware. Designed for easy installation, this surface-mounted set requires no mortising and offers full access to closet openings. Its four-way adjustability ensures smooth, quiet operation and reliable performance over time.
he National Hardware N224-911 Folding Door Guide / Roller is engineered to keep bi-fold doors securely on track while accommodating frames that may not be perfectly square. Designed with durable cold-rolled steel and nylon components, it ensures smooth, whisper-quiet operation and long-lasting reliability.
The National Hardware® N344-929 (V391UP series) is a top-mounted folding door pivot designed for bi-fold closet doors. This pivot kit includes one pivot and one guide, and fits in standard 7/8" track systems. Crafted from zinc-plated steel, it allows vertical and horizontal adjustment to accommodate doors that aren’t perfectly square, ensuring smooth, reliable operation.
The National Hardware® N344-945 Folding Door Bottom Pivot provides a sturdy, adjustable base for smooth and reliable bi-fold door operation. Designed for easy installation, it supports the lower corner of the door and helps maintain proper alignment within the track system. Constructed from durable steel with precision components, this bottom pivot ensures long-lasting performance and stability.