# 24-415 — Packaging specification equivalence: neck finishes, corrugated grades and pallet standards

For 24-415, specification type is neck_finish; description is 24 mm neck, 415 series (2 thread turns); primary dimension is T max 23.87 mm, T min 23.47 mm; secondary dimension is E max 21.74 mm, E min 21.34 mm; equivalence or compatibility note is 2 Thread turns, recorded from its source on 2026-08-12.

- **Specification ID:** 24-415
- **Specification type:** neck_finish _(our reading, not quoted from the source)_
- **Description:** 24 mm neck, 415 series (2 thread turns)
- **Primary dimension:** T max 23.87 mm, T min 23.47 mm
- **Secondary dimension:** E max 21.74 mm, E min 21.34 mm
- **Equivalence or compatibility note:** 2 Thread turns
- **Additional data:** 415H max 24.69 mm, 415H min 23.93 mm; S max 1.55 mm, S min 0.79 mm; I min 13.10 mm; 8 threads/in.

## What the source says

> 24 | 23.87 | 23.47 | 21.74 | 21.34 | 10.54 | 9.78 | 16.79 | 16.03 | 24.69 | 23.93 | 1.55 | 0.79 | 13.10 | 8

## 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/).