2D Ring Binder Mechanism – Multiple Sizes

The D Ring Binder Mechanism is a durable and reliable D‑shaped ring mechanism, designed for riveting securely to the back cover of binders and folders. Manufactured for professional stationery and binder production, this mechanism provides smooth operation and secure document retention.

Available in 2D, 3D, and 4D ring configurations, these 2D ring mechanisms are suitable for office binders, presentation folders, and bespoke stationery products.

The D‑shaped ring design allows pages to lie flatter than traditional round rings, improving document alignment and usability while maximising sheet capacity. These mechanisms are ideal for manufacturers, printers, and stationery suppliers requiring dependable, production‑ready binder components.

• Ring Centres: 80mm
• Application: Smaller binders and folders

All mechanisms are designed specifically for riveting to the rear cover of binders and folders.