CPC Main Group
B23B 49/00 Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored (marking-out equipment B25H7/00; measuring devices, gauges G01B)
5 direct subcodes
Child Classifications
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- B23B 49/02 Boring templates or bushings
- B23B 49/04 Devices for boring or drilling centre holes in workpieces
- B23B 49/06 Devices for drilling holes in brake bands or brake linings