An uninterrupted protruding helix on the neck of a container to hold a screw-type closure. Continuous thread finishes have GPI finish designations in the 400 series.

We do our best to respond promptly to your questions and support requests. Please let us know below what we can help you with.
An uninterrupted protruding helix on the neck of a container to hold a screw-type closure. Continuous thread finishes have GPI finish designations in the 400 series.