Tools for this purpose

Full Title

Forming thread by means of tools similar both in form and in manner of use to thread-cutting tools, but without removing any material > Tools for this purpose

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR

Subclass:

THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS OR NUTS, IN CONJUNCTION THEREWITH