Gold Metal Double Loop Wire For Book Binding

         We are professional binding supplies manufacturer, over 15 year cooperate with brand experenice. we know that our customers want, we not only offer high quality products also professional suggestion. meanwhile, in order meet all customers reqeust we enlarge our productsion line. there are many type pitch of double binding wire o for you choose.

Here is some for reference:

1) Color Binding Wire O Common Standard:

3:1(8.47mm), A4 length with 34 loops;

2:1(12.7mm), A4 length with 23 loops. 

2) Twin Loop Wire O Amercian Standard:

3:1(8.47mm), A4 length with 32 loops;

2:1(12.7mm), A4 length with 21 loops. 

3) Metal Spiral Binding Coil Pitch

4:1(6.35mm) , A4 length with 46 loops;

9.5mm, A4 length with  31 loops;

14.3mm, A4 length with  21 loops or 20 loops.

9.5 & 14.3 mm are not standard pitch for binding loop wire, but 9.5mm pitch is poplur for Janpan market, 14.3mm is same pitch with plastic binding comb. in order to make the binding supplier can worrking for differnt type book, so most of pople would like to order not-stander pitch wire o right now.

The Wire O Specification:

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