Robertson drive
Sign in to saveAlso known as Robertson screw drive, square drive, Scrulox, ANSI Type III Square Center, Robertson screw
square-shaped screw drive
In the Vinony graph
Within Vinony's link graph, Robertson drive is referenced by 9 other articles, and connects out to Henry Ford, International Standard Book Number and square.
Vinony files it under Mechanical standards and Screws.
Its subject is documented across 6 Wikipedia language editions.