Akiles DUOMAC-421, 4:1 Coil & 2:1 Wire Binding Machine

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DuoMac 421
One machine: 4:1 pitch Binding Coil + 2:1 Wire Binding combination

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With the Akiles DuoMac 421 you can bind documents with both 4:1 pitch plastic coil and 2:1 pitch twin loop wire. The DuoMac 421 is the only combination machine of its kind. The unique design of the 421 includes a the ability to punch both a 4:1 pitch hole pattern for plastic coil binding and a 2:1 pitch hole pattern for twin loop wire binding up to 1". This gives you the ability to choose the look and feel of your books and presentations. Four to One pitch coil (4 holes per inch) is the standard pitch of plastic coil used for binding presentations, proposals, books and more. With a single punch capacity of up to 20 sheets of 20lb bond paper the 431 is full of features such as: Punch handles, a 14" open punching throat (13" for coil), continuous punching guide, depth margin control, a master selector (for correct wire diameter, closing position, depth margin and wire pitch), diameter scale, waste drawer, wire closer, side margin control, full die disengagement pins, comb opener handle and a heavy-duty design by CAE (Computer-Aided Engineering) technology. Normally, you would have to use two different binding machines to do the same tasks as the DuoMac 421. Now you can choose between these two great binding styles for all your reports and presentations and you can also save space, time and money. 

Product Details

With two independent punching die sets, this versatile & easy to use combo binder allows you to punch & bind multiple systems and or different pitches.
Punch handles
Punch Throat & Ruler
Depth Margin Control: Provides the correct punch margin depth for each wire/comb size. Maximizes document tear resistance.
Open Punching Throat & Continuous Punching Guide: For an easy alignment & punching of longer documents.
Punch Throat & Ruler
Wire Closer Control: With continuous adjusting scale for an exact and secure closure every time
Master Selector: Determines the correct: Wire Diameter, Closing Position, Depth Margin & Wire Pitch
Diameter Scale: Measures document’s thickness in order to select best wire/comb size option.
Wire Holder: Holds wire in place for easier inserting of sheets
Waste Drawer
Vertical Wire Closer
Side Margin Control: Provides and evenly Centered punch for all document sizes.
Die Disengagement Pins: All dies can be independently disengaged, allows punching of any size document while preventing partial side-end perforation
Wire Closer Handle
Comb Opener Handle
Heavy-Duty design by CAE (Computer-Aided Engineering) technology
Perfect for Bindery, Print Shop, Copy Center, Corporation, Advertising Agency, School, Office and more!
FREE coil crimpers with any Coil combination.
Comb Spreader with any Comb combination.
Built-in Wire closer with any combination.
Electric inserter sold separately at bundle price for any coil combination.
Comb combination is compatible with 9/16" wire pitch
Single punching capacity: up to 20 sheets (20lbs paper/ letter size)
Single punching length: 14” (13” for coil) - with Open Ends for longer sizes
100% disengagement dies - wire & comb (5 for Coil)
Weight: 64lbs
Warranty: One year


Disengageable Die Pins Yes
Binding Format Plastic Coil and Twin Loop Wire
Punching Method Manual
Binding Method Manual
Punching Format (Vertical/Horizontal) Horizontal
Punch and Bind Capability Yes
Max Plastic Coil Punch Capacity (20# paper) 20 Sheets
Max Wire Punch Capacity (20# paper) 20 Sheets
Max Wire Bind Capacity (20# paper) 220 Sheets
Max Punch Length 14"
Max Binding Length 14"
Plastic Coil Format 4:1
Wire Format 2:1
Max Wire Diameter 1"
Number of Punch Pins 27
Number of Disengageable Die Pins 27
Open Ended Punch Yes
Push Button Operation No
Foot Pedal Operation No
Waste Compartment Yes
Binding Diameter Guide Yes
Built-in Binding Stop Guide Yes
Side Margin Control Yes
Margin Depth Selector Yes
Built-in Plastic Coil Inserter No
Crimping Pliers Included Yes
Built-in Wire Closer Yes
Built-in Wire Holder Yes
Dimensions (L x W x H) 20 1/2" x 20" x 28"
Shipping Weight 64 lbs

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