The biggest of twin wire o

        What's the biggest size of twin wire o?

        What's size of  double o wire binding wire that you often use for notebook? as we know that there are 5/16,3/8,7/16,1/2,9/16,5/8,3/4 and 7/8 etc. and the regular customers need white , black, sliver, and gold etc some colors.

         The most popluar color used recently is gold spiral binding coil. shiny and gorgeous surface of the wire coil is attracting. here is some of our products for reference.

        The biggest of metal binding coil is 1 3/4(44mm) with 1.5mm wire diamater, it can binding within 350 sheet 80 gsm paper. due to the size si too big , so the production capacity is low.

         If you have any qeustions about the binding suppiles products, such as twin wire coil. metal single binding spiral coil, plastic binding coil etc welcome to contact us. we will try our best to help you figure out the questions.