in twelve inch lengths. This spine is inserted onto an eleven-inch document and the excess length of coil is cut and crimped at each end of the book. However, the forming process for creating spiral coil binding elements allows them to be created in virtually any length. Spiral coils are sometimes made from low-carbon steel. Spiral coil binding supplies are also available in a wide variety of colors.

Equipment

Plastic spiral binding is a three-step process: punch, insert, crimp. First, a punch creates holes along the edge

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