TopGroove ™
Machining Guidelines
Machining Guidelines for Face Grooving Operations • Internal
LH insert
LH bar
minimum
groove “E”
diameter
Boring Bars
C
RH bar
RH insert
D
groove depth
Standard NG/NGD Inserts
insert
family
NFD-3-KI
maximum
groove depth B
minimum
groove diameter C
mm mm
6,35 63,5
widia.com
E91
NOTE: Also check minimum bore diameter
of boring bar. See page E78.