分类：*Wire binder
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Calendar Hole Punch and Clsoing Machine is a popular calendar binding method, and is known by a number of different names including twin loop wire binding machine, wire-o binding machine, double loop wire binding machine, double-o binding machine, ring wire binding machine and wirebind machine. With this binding method, users insert their punched pages onto a "C" shaped spine and then use a wire closer to squeeze the spine until it is round. Documents that are bound with wire binding will open completely flat on a desk and allow for 360 degree rotation of bound pages.
1) Easy for punching and binding
2) Max. punching sheets reach to 25 sheets
3) Punching and binding size: Any size less than 340mm (F4 size)
4) Binding capacity: 140 sheets or 300 sheets
5) One year warranty
3:1 pitch (3 holes per inch)
The three to one pitch hole pattern is most commonly used for binding small sized documents with double loop wire. Spines for this binding style are available in sizes between 4.8 mm (3/16 in) and 14 mm (9/16 in) in diameter. Three to one pitch wires are not available in sizes larger than 14 mm (9/16 in). The hole pattern used for 3:1 pitch wire binding can use either square or round holes.
