Robertson screwdriver - NOTOC A Robertson screwdriver (also called a square drive screwdriver) is a type of screwdriver with a square shaped tip with a slight taper (in the same way that flatheads, Phillips, hex, and Torx have flat, times shaped, hexagonal, and… … Wikipedia Screwdriver - Infobox tool name = Screwdriver caption =A flathead screwdriver| other name =Turnscrew classification = Hand tool types = See shape chart below used with = related = Hex key WrenchThe screwdriver is a device specifically designed to insert and… … Wikipedia TORX, developed by Camcar LLC of Acument Global Technologies (formerly Camcar Textron), is the trademark for a type of screw head characterized by a 6 point star shaped… … Wikipedia
For the key on a telephone keyboard, see asterisk.
