3:1 Binding Wire

The double-loop wires are produced open to be inserted in pre-punched holes of the suitable dimensions. Once inserted in the proper holes they are simply crimped closed with a wire closer. The 3 to 1 (3:1) pitch is used for books up to about 12mm thick and 2 to 1 (2:1) wire can be used for books up to about 30mm. 2:1 wire is recognisable as the holes are larger than those produced for 3:1 binding and are spaced further apart. There are 23 holes on an A4 size sheet when it has been punched 2:1, 3:1 has 34 holes on an A4 sheet.

As a general rule of thumb add 3mm to the thickness of your book (uncompressed) to choose the correct wire. You can also use our quick selector to find the right wire, based on 80gsm stock with a front and back cover: Useful tip: Are you wanting to bind a book that is greater than 14mm thick?

You can now use the same 3:1 punching machine and use our specially made 3:1 plastic spirals instead of wire. With 3:1 wire binding you are limited 14mm thickness before requiring a larger punched hole. But with our 3:1 plastic spirals you can now bind up to 45mm, extending the function of your current equipment. Ideal for situations where you have punched a book that is thicker than 14mm as you can now use plastic spirals rather than having to reprint.
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Product Image Item Name- Price
No.4 - 1/4' - 6.4mm Binding Wire 3:1 Pitch - 34 Loops (Box 100)

No.4 - 1/4' - 6.4mm Binding Wire 3:1 Pitch - 34 Loops (Box 100)

This size wire is suitable for books up to approx 35 sheets of 80gsm paper. The double-loop wires are produced open to be inserted in pre-punched...
$19.95

... to purchase

GBC WireBind A4 8mm 34 Loop (Pack of 25) - BLACK

GBC WireBind A4 8mm 34 Loop (Pack of 25) - BLACK

This size wire is suitable for books between approx 36 to 45 sheets of 80gsm paper. Wire binding offers an attractive look for your documents. It is...
$9.95  $4.99
Save: 50% off


Add:

No.5 - 5/16' - 8mm Binding Wire 3:1 Pitch - 34 Loops (Box 100)

No.5 - 5/16' - 8mm Binding Wire 3:1 Pitch - 34 Loops (Box 100)

This size wire is suitable for books between approx 36 to 45 sheets of 80gsm paper. The double-loop wires are produced open to be inserted in...
$23.95

... to purchase

GBC WireBind A4 9.5mm 34 Loop (Pack of 25) - BLACK

GBC WireBind A4 9.5mm 34 Loop (Pack of 25) - BLACK

This size wire is suitable for books between approx 45-60 sheets of 80gsm paper. Wire binding offers an attractive look for your documents. It is...
$10.95  $5.99
Save: 45% off


Add:

No.6 - 3/8' - 9.5mm Binding Wire 3:1 Pitch - 34 Loops (Box 100)

No.6 - 3/8' - 9.5mm Binding Wire 3:1 Pitch - 34 Loops (Box 100)

This size wire is suitable for books between approx 46 to 60 sheets of 80gsm paper. The double-loop wires are produced open to be inserted in...
$28.95

... to purchase

No.7 - 7/16' - 11.1mm Binding Wire 3:1 Pitch - 34 Loops (Box100)

No.7 - 7/16' - 11.1mm Binding Wire 3:1 Pitch - 34 Loops (Box100)

This size wire is suitable for books between approx 61 to 75 sheets of 80gsm paper. The double-loop wires are produced open to be inserted in...
$31.95

... to purchase

No.8 - 1/2' - 12.7mm Binding Wire 3:1 Pitch - 34 Loops (Box 100)

No.8 - 1/2' - 12.7mm Binding Wire 3:1 Pitch - 34 Loops (Box 100)

This size wire is suitable for books between approx 76 to 85 sheets of 80gsm paper. The double-loop wires are produced open to be inserted in...
$38.95

... to purchase

No.9 - 9/16' - 14.3mm Binding Wire 3:1 Pitch - 34 Loops (Box100)

No.9 - 9/16' - 14.3mm Binding Wire 3:1 Pitch - 34 Loops (Box100)

This size wire is suitable for books between approx 86 to 95 sheets of 80gsm paper. The double-loop wires are produced open to be inserted in...
$47.95

... to purchase

No.10 - 5/8' - 15.9mm Binding Wire 3:1 Pitch - 34 Loops (Box100)

No.10 - 5/8' - 15.9mm Binding Wire 3:1 Pitch - 34 Loops (Box100)

This size wire is suitable for books between approx 96 to 125 sheets of 80gsm paper. The double-loop wires are produced open to be inserted in...
$59.99

... to purchase



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