1
CTEFR/L


Grade
E xte r n al fa c e groo v i n g a n d t u r n i n g to o l h o l d e r
CDX


DAXMIN


CW
WF


B
LF
LH

2


Insert
HF


H
Right hand (R) shown.

Designation CW Seat size CDX H B LF LH HF WF (1) Torque*
CTEFR/L2020-4T04 4 2, 3, 4 4.8 20 20 125 33 20 20.5 8.5
CTEFR/L2020-6T04 6 5, 6 4.8 20 20 125 37 20 20.6 8.5


Ext. Toolholder
3
(1) "WF" value is calculated with groove width "CW" shown in the table.
SPARE PARTS *Torque: Recommended clamping torque (N∙m)
Designation Clamping screw Wrench
CTEFR/L2020-4T04 CM6X1X20-A P-5
CTEFR/L2020-6T04 CM6X1X20-A P-5
Groove width Face grooving Groove width Face grooving
Insert Min. machining dia. Insert Min. machining dia.
CW DAXMIN CW DAXMIN
DGM / DGS / SGN 2 295 DTR 3 44


Int. Toolholder
4
DGM / DGS / SGN / DGL 3 92 DTR 4 32
DGM / DGS / SGN / DGL 4 37 DTR 5 48
DGM / DGS / DGL 5 60 DTR 6 48
DGM / DGS / DGL 6 57 DTX 3 22
DTE / DGG / DTM 3 62 DTX 4 20
DTE / DGG / DTM 4 42 DTX 5 20
DTE / DGG / DTM 5 64 DTX 6 23
DTE / DGG / DTM 6 61 DTF 3 20
DTF 4 20


5

Threading
CTIFR/L
E xte r n al/ In te r n al f a c e g ro o v i n g a n d t u r n i n g to olholde r
CDX DAXMIN
WF


6
Grooving
LF
DMIN
DAXX
DCONMS
CW


DMIN
HF


Right hand (R) shown.

Designation CW Seat size CDX DCONMS LF HF WF (1) Torque*
CTIFR/L25-4T05-D270 4 3, 4 5.5 25 200 11.5 13.3 5


7
CTIFR/L25-5T05-D270 6 5, 6 5.5 25 200 11.5 13.3 5
Endmill
(1) WF is calculated with the groove width CW in the above table.
*Torque: Recommended clamping torque (N∙m)
Min. machining dia
Seat size
DCONMS = 25 mm
SPARE PARTS
Designation Clamping screw Wrench Seal cap
3 26.3
4 26.8
CTIFR/L25-4T05-D270 CM6X1X16-A P-5 CA-25
5 26.3
CTIFR/L25-5T05-D270 CM6X1X16-A P-5 CA-25 6 26.8


8
Drilling Tool


Groove width Face grooving Groove width Face grooving
Insert Min. machining dia. Insert Min. machining dia.
CW DAXMIN CW DAXMIN
DGM / DGS / SGN / DGL 3 92 DTR 3 44
DGM / DGS / SGN / DGL 4 37 DTR 4 32
DGM / DGS / DGL 5 60 DTR 5 48
DGM / DGS / DGL 6 57 DTR 6 48
DTE / DGG / DTM 3 62 DTX 3 22
Technical Reference


DTE / DGG / DTM 4 42 DTX 4 20


9
DTE / DGG / DTM 5 64 DTX 5 20
DTE / DGG / DTM 6 61 DTX 6 23
DTF 3 20
DTF 4 20

Reference pages: Inserts → 6-17 - 6-25, Standard cutting conditions → 6-26

6-15