5/16 in. 3:1 Twin Loop Binding Wires (100/bx)
Wire-O binding wire, also called "duo-wire" or "twin-loop binding wire," is a versatile binding spine that offers security and durability, but with style and affordability. These wire spines are perfect for reports, presentations, calendars, sketchbooks, as well as other binding projects that require an additional level of sophistication.
These 3:1 pitch wire-O binding wires are designed to fit the distinct hole pattern of a 3:1 pitch wire binding machine (three holes per inch, giving 32 holes per Letter size sheet). These heavy-duty, metal binding spines are fully compatible with all standard wire binding machines, including models from Akiles, USI, GBC, Ibico, NSC, Tamerica, Fellowes, and HIC.
Our 3:1 Pitch wire-O binding wires are available in Black, White, Silver (Pewter), Blue, Red, Gold, Gray, or Green.
These wire spines are available in an 11 in. length and are designed to be used with Letter size documents. (We do have select diameters available on continuous spools here on our website for books with spines more than 11 in. long.) These wires can easily be cut with wire cutters to accommodate books with spines smaller than 11 in. long and can then used with a binding machine equipped with disengaging pins.
|Pitch:||3:1 (3 holes per 1 in.)|
Perfect for Letter Size Documents!
|Max. Binding Capacity:||1/4 in. thick|
Approx. 30-50 sheets of 20# Paper
|Quantity per Box:||100 pieces|
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