Dictionary

Robertson screwdriver en · NOUN

Etymology

From Canadian inventor P. L. Robertson (1879-1951).

Meanings

1. (Canada) A type of screwdriver having a square tip, designed to drive a Robertson screw.
   • Robertson screwdrivers have colour-coded handles, to make it easy to determine which size you will require. 2007, William S. Peckham, Michael C. Hammar, Never Hang Wallpaper With Your Wife: Decorating and Renovating From a Guy's Point Of View:
   • The Robertson screwdriver is among the tools found at hardware stores and building supply outlets across Canada. 2002, Mark Kearney, Randy Ray, I Know that Name!: The People Behind Canada's Best-known Brand Names from Elizabeth Arden to Walter Zeller:
   • The Robertson-head screw has a square hole in the head, made in three different sizes, and must be driven with a special Robertson screwdriver. 1963, Alonzo Wass, Building construction estimating:

Forms

Relateds

Robertson screw