Machines with a plurality of working-spindles

Introduced: September 1968

Last revised: January 2006

Full Title

Thread cutting; Automatic machines specially designed therefor > on an external or internal cylindrical or conical surface, e.g. on recesses > Machines with a plurality of working-spindles

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

1 direct subcode

Child Classifications

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B23G 1/1 specially adapted for making conical screws, e.g. wood-screws