# 425 series — Packaging specification equivalence: neck finishes, corrugated grades and pallet standards

For 425 series, specification type is neck_finish; description is Extra tall finish, multi-thread or custom sealing bead; primary dimension is Extra tall; secondary dimension is Multi-thread or custom sealing bead; equivalence or compatibility note is Designed for precision applications needing higher neck engagement, recorded from its source on 2026-08-12.

- **Specification ID:** 425 series
- **Specification type:** neck_finish _(our reading, not quoted from the source)_
- **Description:** Extra tall finish, multi-thread or custom sealing bead _(verified: appears in the quote below)_
- **Primary dimension:** Extra tall _(verified: appears in the quote below)_
- **Secondary dimension:** Multi-thread or custom sealing bead _(verified: appears in the quote below)_
- **Equivalence or compatibility note:** Designed for precision applications needing higher neck engagement _(verified: appears in the quote below)_
- **Additional data:** Pharmaceutical and laboratory bottles _(verified: appears in the quote below)_

## What the source says

> 425 | Extra tall | Multi-thread or custom sealing bead | Pharmaceutical and laboratory bottles | Designed for precision applications needing higher neck engagement.

## Source

- https://evergreenresources.com/plastic-bottle-neck-finishes/

Last verified: 2026-08-12. Review by: 2028-08-11.
Part of [Packaging specification equivalence: neck finishes, corrugated grades and pallet standards](https://referencesource.org/packaging-material-specification-equivalence/).