Tools specially adapted for use in machines for manufacturing gear teeth

Introduced: September 1968

Of 8 combined children, 7 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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B23F 21/005 CPC only CPC only
B23F 21/02 Grinding discs; Grinding worms (truing grinding tools B24B; grinding tools in general B24D) +2 CPC IPC+CPC Available in IPC and CPC
B23F 21/03 Honing tools since 1974 +1 CPC IPC+CPC Available in IPC and CPC
B23F 21/04 Planing or slotting tools +1 CPC IPC+CPC Available in IPC and CPC
B23F 21/12 Milling tools +3 CPC IPC+CPC Available in IPC and CPC
B23F 21/24 Broach-milling tools +2 CPC IPC+CPC Available in IPC and CPC
B23F 21/26 Broaching tools +3 CPC IPC+CPC Available in IPC and CPC
B23F 21/28 Shaving cutters +3 CPC IPC+CPC Available in IPC and CPC