Hobs

Introduced: September 1968

Full Title

Tools specially adapted for use in machines for manufacturing gear teeth > Milling tools > Hobs

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

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B23F 21/163 +1 CPC CPC only CPC only
B23F 21/18 Taper hobs, e.g. for bevel gears +1 CPC IPC+CPC Available in IPC and CPC