Coil Office Binding Machines
Coil binding is done with a plastic coil that is inserted into the document. This is usually a roller mechanism that is used to insert the coil into the document. Coil binding is very popular in the education sector for school homework diaries for examples. This is because the coils are virtually indestructible. Coil binding can also be done using metal coils. Both plastic and metal coil binding need a cutting and crimping device to finish the bound document. The most common pitch of coil binding is 4:1 pitch.