# 28-415 — Packaging specification equivalence: neck finishes, corrugated grades and pallet standards

For 28-415, specification type is neck_finish; description is 28 mm neck, 415 series (2 thread turns); primary dimension is T max 27.64 mm, T min 27.12 mm; secondary dimension is E max 25.25 mm, E min 24.74 mm; equivalence or compatibility note is 2 Thread turns, recorded from its source on 2026-08-12.

- **Specification ID:** 28-415
- **Specification type:** neck_finish _(our reading, not quoted from the source)_
- **Description:** 28 mm neck, 415 series (2 thread turns)
- **Primary dimension:** T max 27.64 mm, T min 27.12 mm
- **Secondary dimension:** E max 25.25 mm, E min 24.74 mm
- **Equivalence or compatibility note:** 2 Thread turns
- **Additional data:** 415H max 27.86 mm, 415H min 27.10 mm; S max 1.55 mm, S min 0.79 mm; I min 15.60 mm; 6 threads/in.

## What the source says

> 28 | 27.64 | 27.12 | 25.25 | 24.74 | 10.47 | 9.78 | 18.36 | 17.06 | 27.86 | 27.10 | 1.55 | 0.79 | 15.60 | 6

## Source

- https://www.contapack.com.au/SPI-Neck-Finishes.html

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/).