# square drive

> square pin or shaft to use with a tool or connect a matching (machine) part (an internal square hole)

**Wikidata**: [Q55399983](https://www.wikidata.org/wiki/Q55399983)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Square_drive_(socket))  
**Source**: https://4ort.xyz/entity/square-drive