Definify.com
Definition 2024
Robertson_screwdriver
Robertson screwdriver
English
![](http://llc12.www.definify.com/images_main/Robertson_screwdrivers.jpg)
Robertson screwdrivers
Noun
Robertson screwdriver (plural Robertson screwdrivers)
- (chiefly Canada) A type of screwdriver having a square tip, designed to drive a Robertson ****.
- 1963, Alonzo Wass, Building construction estimating:
- The Robertson-head **** has a square hole in the head, made in three different sizes, and must be driven with a special Robertson screwdriver.
-