Wire-O White 3:1 Pitch Double Loop Ring Wire Spool
132.75 193.01 6

Wire-O White 3:1 Pitch Double Loop Ring Wire Spool

Brand: James Burn
  • Glossy white 3:1 wire.
  • Superior quality wire.
  • Diameters start at 1/4" to 9/16" and length ranges from 22,000 to 90,000 loops.
  • For use with an automated twin loop system.
  • Oversize / Truck shipping
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Product Description

For books, these Wire-O White 3:1 Pitch Double Loop Ring Wire Spools provide a stylish and expert metal finish in a variety of sizes. It can bind books that are up to 11–25 sheets thick and 20lb in weight. These wire binding spools are perfect for your twin loop automatic wire binding machine. As you may already be aware, employing cheaper spool wire might result in a variety of issues with your automated equipment. James Burn's Wire-O wire spool is a good option if you want to avoid the stretching that sometimes occurs with less expensive imported wires. There are numerous sizes and hues available for these 3:1 twin-loop wire binding spools. The pitch can also be changed to a 2:1 ratio. Look at the sheet capacity chart below for some suggestions based on the thickness of your books if you need assistance choosing the right diameter for your project. These Wire-O White 3:1 Pitch Double Loop Ring Wire Spools are thought to be on par with, if not superior to, Twin Loop Wire Binding Spools made by GBC and Renz.

Product Details

  • Color: White
  • Pitch: 3:1 Pitch (3 Holes per Inch)
  • Length: 22,000 Loops - 90,000 Loops
  • Diameter: 1/4" - 9/16"
  • Approximate Capacity: 40 - 110 Sheets (20lb Paper)
  • Quantity: 1 Spool

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Wire-O Binding Capacity Chart

Twin loop wire binding can be properly fitted with a few easy procedures.

  1. Lay the book that is being bound flat on a table.
  2. Measure the binding edge's thickness without compressing the paper.
  3. The binding element's size will be determined by adding 1/8" to the measurement.
Wire DiameterPitch (Holes per Inch)Sheet Capacity¹Book ThicknessLoops / Spool
1/4"3:111-25 Sheets1/8"90,000
5/16"3:126-45 Sheets3/16"60,000
3/8"3:146-65 Sheets1/4"47,000
7/16"3:166-80 Sheets5/16"32,000
1/2"3:181-100 Sheets3/8"26,750
9/16"3:1101-120 Sheets7/16"22,000
5/8"2:1121-145 Sheets1/2"11,000
3/4"2:1146-165 Sheets5/8"8,150
7/8"2:1166-185 Sheets3/4"5,150 or 6,100
1"2:1186-210 Sheets7/8"4,600
1 ⅛"2:1211-235 Sheets1"4,000
1 ¼"2:1236-260 Sheets1 ⅛"2,900

Wire-O binding, the go-to option for professionals of all stripes, provides a tidy, polished appearance that may be found on diaries, notebooks, conferences, guides, and much more. When compared to plastic bindings, the elegant metal finish appears more expensive, so you can be sure to amaze your consumers. They are designed to function with the wide range of automatic and industrial binding machines available today. Twin loop spools provide a very quick and practical way to bind lots of wire-bound books when used with these machines.


¹ Sheet capacity is an approximation using 20 lb. bond copy paper. It will vary depending on the stock used.

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