4.5G Lever Arch Mechanisms – 35mm, 56mm and 63mm Capacity

The Lever Arch Mechanism 4.5G Range includes a selection of small, standard, and large‑capacity lever arch mechanisms, designed for secure riveting to the spine of binders and folders. Manufactured for professional stationery and binder production, these mechanisms deliver reliable performance, durability, and smooth operation.

Available in 50mm, 75mm, and 85mm back widths, this range supports document capacities from 35mm to 63mm, making it suitable for slim binders, office files, training manuals, and high‑volume document storage. All mechanisms feature 80mm ring spacing, ensuring compatibility with standard punched sheets and consistent document alignment.

The proven lever arch mechanism design provides strong page retention while allowing documents to be easily inserted or removed, making this range a dependable choice for stationery manufacturers, printers, and trade suppliers.

Available Options

1 - 50mm Lever Arch Mechanism – Small Capacity

• Capacity: 35mm
• Ring Spacing: 80mm
• Application: Slim binders and presentation folders
  

2 - 75mm Lever Arch Mechanism – Standard Capacity

• Capacity: 56mm
• Ring Spacing: 80mm
• Application: Standard office and filing binders

3 - 85mm Lever Arch Mechanism – Large Capacity

• Capacity: 63mm
• Ring Spacing: 80mm
• Application: High‑volume document storage and lever arch files

All mechanisms are 4.5G lever arch design and intended for rivet fixing to the binder spine.

• Product Type: Lever arch binder mechanism
• Design: 4.5G lever arch
• Available Widths: 50mm, 75mm, 85mm
• Capacities: 35mm, 56mm, 63mm
• Ring Spacing: 80mm
• Mounting: Rivet‑mounted to binder spine
• Applications: Binders, lever arch files, stationery manufacturing