DIFF Subgroup
B23B 29/03 Boring heads
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders > Boring heads
CPC:
Holders for non-rotary cutting tools (B23B27/12 takes precedence); Boring bars or boring heads; Accessories for tool holders > Boring heads
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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- B23B 29/034 with tools moving radially, e.g. for making chamfers or undercuttings +2 CPC IPC+CPC Available in IPC and CPC