# 100-400 — Packaging specification equivalence: neck finishes, corrugated grades and pallet standards

For 100-400, specification type is neck_finish; description is 100 mm neck, 400 series (1 thread turn); primary dimension is T max 100.0 mm, T min 99.10 mm; secondary dimension is E max 96.95 mm, E min 96.00 mm; equivalence or compatibility note is 1 Thread turn, recorded from its source on 2026-08-12.

- **Specification ID:** 100-400
- **Specification type:** neck_finish _(our reading, not quoted from the source)_
- **Description:** 100 mm neck, 400 series (1 thread turn)
- **Primary dimension:** T max 100.0 mm, T min 99.10 mm
- **Secondary dimension:** E max 96.95 mm, E min 96.00 mm
- **Equivalence or compatibility note:** 1 Thread turn
- **Additional data:** 400H max 15.55 mm, 400H min 14.80 mm; S max 1.90 mm, S min 1.14 mm; I min 85.00 mm; 5 threads/in.

## What the source says

> 100 | 100.0 | 99.10 | 96.95 | 96.00 | 15.55 | 14.80 | | | | | 1.90 | 1.14 | 85.00 | 5

## 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/).