Robertson screwdriver

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English

English Wikipedia has an article on:
Wikipedia
Robertson screwdrivers

Etymology

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

Noun

Robertson screwdriver (plural Robertson screwdrivers)

  1. (chiefly Canada) A type of screwdriver having a square tip, designed to drive a Robertson screw.
    • 1963, Alonzo Wass, Building construction estimating:
      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.
    • 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 screwdriver is among the tools found at hardware stores and building supply outlets across Canada.
    • 2007, William S. Peckham, Michael C. Hammar, Never Hang Wallpaper With Your Wife: Decorating and Renovating From a Guy's Point Of View‎:
      Robertson screwdrivers have colour-coded handles, to make it easy to determine which size you will require.
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