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Double Loop Twin Wire

Double loop twin wire metal binding elements are the most prestigious and secure binding element. Other names used for double wire elements is Twin loop and wirebind. Double loop Twin binding is use in items like catalogs, manuals, calendars, booklets, and swatches. Double wire binding is a very popular commercial binding method. With this binding method. A users inserts the metal “C” shape element binding on to the punched sheets. With another machine called a  wire closing unit, the element is squeeze together and compressed until the spine becomes round. Documents bound with Twin Loop wire open completely flat.  This type of binding allow for the book to turn 360 degree all of the bound pages. The recommended binding sizes are displayed  on the chart below.

Double Loop Twin Wire Binding Chart

WeightN/A
DimensionsN/A
Choose Size

1/4" – 3:1 Pitch, 5/16" – 3:1 Pitch, 3/8"- 3:1 Pitch, 7/16" – 3:1 Pitch, 1/2" – 3:1 Pitch, 9/16" – 3:1 Pitch

Choose Color

Black, White, Pewter, Red, Blue, Gold, Green

Binding Chart

PitchSize (Inches)Recommended # of Sheets (20 lb)
3:13/16″5-20
1/4″20-30
5/16″30-50
3/8″50-60
7/16″60-80
1/2″80-100
9/16″100-120
2:11/4″10-35
5/16″35-55
3/8″55-70
1/2″70-110
5/8″110-140
3/4″140-160
7/8″160-190
1″190-220
1-1/4″220-260
1-1/2″260-300

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