# 1/4'' HEX — Power tool battery platform and accessory interface compatibility

For 1/4'' HEX, brand is Heller; compatible with is cordless drills and screwdrivers; notes is Hexagonal shank with an inscribed circle diameter of 6.35 mm (= 1/4"), recorded from its source on 2026-08-11.

- **Item:** 1/4'' HEX _(verified: appears in the quote below)_
- **Brand:** Heller _(our reading, not quoted from the source)_
- **Compatible with:** cordless drills and screwdrivers _(verified: appears in the quote below)_
- **Notes:** Hexagonal shank with an inscribed circle diameter of 6.35 mm (= 1/4") _(verified: appears in the quote below)_

## What the source says

> 1/4'' HEX Hexagonal shank with an inscribed circle diameter of 6.35 mm (= 1/4"), generally used for cordless drills and screwdrivers

## Source

- https://www.hellertools.com/en/service/shanks

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [Power tool battery platform and accessory interface compatibility](https://referencesource.org/power-tool-battery-compatibility/).