binding specification of YO ring

- Mar 28, 2018 -

The thickness of binding is the thickness of the binding documents, which is generally measured in millimeter (mm). But some products are measured by the number of binding pages (Zhang Shu). The thickness of a regular binding machine is between 20mm and 50mm, or about 400 pages. Common applications can choose 20mm products. A product with a special need to choose a larger thickness. This article is collected and collated from the large supermarket of office supplies.

Binding specification

Binding specification refers to the maximum punching width and punch area, that is, the maximum width and the area of a pinhole in the binding process of a binding process. The measurement of this index is like mm, and the hole area is represented by 3mm x 8mm.



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