Description
DuoMac-C41ECI / C41ECI + Coil & Comb Binding Machine
The DuoMac-C41ECI and C41ECI + are advanced comb and coil binding machines designed for professional environments that require faster spiral binding production. Featuring a built-in electric coil inserter and manual comb opener, this system combines efficiency and versatility in one heavy-duty machine.
Available in two configurations:
DuoMac-C41ECI Coil & Comb Binding Machine: 4:1 Round Hole Coil
DuoMac-C41ECI + Coil & Comb Binding Machine: 4:1 Oval Hole Coil
This allows users to select the hole shape that best matches their coil binding preferences and project requirements.
Built-In Electric Coil Inserter
The integrated electric coil inserter significantly speeds up spiral binding, reducing manual labor and increasing productivity. Ideal for offices, schools, and print shops producing regular coil-bound documents.
Dual Binding Capability
The DuoMac-C41ECI binding machine:
Punches plastic comb patterns
Punches 4:1 round or oval coil holes
Includes built-in manual comb opener
Handles 20 sheets (20 lb paper) per punch
Offers 14″ punching width with open sides
Disengageable pins allow custom punching while preventing partial side-end perforation.
Durable & Professional Construction
All-metal construction
Smooth electric coil insertion
Adjustable comb opening mechanism
1-Year Manufacturer Warranty
The DuoMac-C41ECI / C41ECI+ provides enhanced productivity and flexibility for organizations that need efficient comb and coil binding in one powerful system.
✅ Technical Specifications
Technical Specifications
Coil Pitch: 4:1 Round (ECI) or 4:1 Oval (ECI+)
Comb Binding: Yes (Manual opener)
Coil Inserter: Built-in Electric
Punch Capacity: 20 sheets (20 lb paper)
Punch Width: 14″ with open sides
Disengageable Pins: Yes
Construction: All metal
Warranty: 1 Year
DuoMac-C41ECI Coil & Comb Binding Machine PDF
✅ Item Specifications
- Actual Machine Dimensions (L x W x H): 24″ x 22″ x 21″
- Shipping Length: 19″
- Shipping Width: 21″
- Shipping Height: 13″
- Shipping Weight: 69 Lbs.
- Compatible Supplies: 3:1 Twin-Loop Wire and Plastic Comb Binding






