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Twin O

Double Loop Wire

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Wire binding is a popular commercial book binding method which sometimes called twin-loop, double wire, duo-wire, or wire-o binding wires. The process is by inserting punched pages onto a "C" shaped spine.

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The wires are offered in two different pitches, each with a corresponding punch pattern:

  • 3:1 Pitch: Binding wires with a 3:1 pitch will have 32 "loops" to fit the 3 holes-per-inch pattern of a 3:1 pitch wire binder machine. Sizes range from 3/16" - 9/16", with a page count range of 5 - 120
  • 2:1 Pitch: Binding wires with a 2:1 pitch will have 21 "loops" to fit the 2 holes-per-inch pattern of a 2:1 pitch wire binder machine. Sizes range from 1/4" - 1-1/4", with a page count range of 20 - 260

In order to bind documents with double loop wire, a binding machine and a wire closer are required which has some variant:

  • Small manual wire binding machines that offers a manual hole punch and a built in wire closer. electric wire binding machines with an punch and built in wire closer
  • Separate punching and binding machine in order to increase productivity of the binding process
  • Heavy duty punching system along with either a manual or an electric wire closing machine
  • Automated punching system along with either a manual or an electric wire closing machine

Detail of Product

  • Made from good quality nylon coated wires
  • Available in wide range of sizes from pitch 3:1 : 3/16" - 9/16" and pitch 2:1 : 5/8" - 1-1/4"
  • Available in many colors black, white, red, blue, green, silver, bronze, gold etc
  • Suitable for : book, memo, calendar, menu and office usage
  • Applicable on nearly all professional print finisher & bindery productions

Sample Product

Calendar Memo

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