YO ring size

- Apr 26, 2018 -

Determining the size and size of the inner diameter of the YO ring

Without the shell calendar and calendar, the size of the YO circle should be used for the cover + internal text thickness plus 3 ~ 4mm, with grey calendar and calendar, the size of the YO ring should be used for the cover + internal text thickness plus 4 to 6mm.

The maximum inner diameter of the conventional YO circle is 25.4mm, or 1 inches. The material suppliers usually represent the specifications in a proportional way. The 25.4mm16 is equal, the YO circle with the inner diameter of 25.4mm is 16/16, and the other common YO circle specifications are 5/16, 6/16 (3/8), 7/16, 8/16 (16) (7/8) and so on.


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