Arrangements for preventing the running-out of drills or fracture of drills when getting through

Full Title

Constructional features of components specially designed for boring or drilling machines; Accessories therefor > Arrangements for preventing the running-out of drills or fracture of drills when getting through

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR

Subclass:

TURNING; BORING