Robertson screwdriver
English
Etymology
From Canadian inventor P. L. Robertson (1879-1951).
Noun
Robertson screwdriver (plural Robertson screwdrivers)
- (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.
-
Related terms
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.