Definition of Allen wrench in English:

Allen wrench

Translate Allen wrench into Spanish


(also allen wrench)
Trademark ; US
  • An L-shaped metal bar with a hexagonal head at each end, used to turn bolts and screws having hexagonal sockets.

    British term Allen key


Allen wrench

/ˈalən ˌrenCH/ /ˈælən ˌrɛntʃ/


Early 20th century from the name of the manufacturer, the Allen Manufacturing Company, of Hartford, Connecticut.