Double-Clamp Series
Securely clamps the insert with a single action
Increases clamping rigidity
 Improves machining stability
 Results in greater insert life

■Improved Clamping Rigidity
Firmly clamp the insert in two directions with one action
Tighten the screw
②Force to pin down insert.
①Force to pull in insert.
1
Double-Clamp Series
Product Lineup
Application
External / Facing
Cutting Edge Angle
95°
External / Facing / External / Facing /
Copying
Copying / Undercutting
External / Copying
External
107.5°
117.5°
72.5°
93°
95°
75°
91°
DDHN
DVPN
DVVN
DDJN
DVLN
DSBN
DTGN
Double Clamp
DCLN
DWLN
Long Insert Life
The double-clamp design firmly clamps the insert in two directions, which maintains good contact
between the shim and the insert even during high feed rate machining. Along with improving the
accuracy of the insert position, greater insert life is attained.
(DCLN)
Lever Lock
(PCLN)
◯
×
×
8
4
5
10
15
20
<Cutting Conditions>
SCM435, Vc=500 sfm, ap=0.04", f=0.016 ipr
CNMG432PS, 30 pass interrupted machining
25
30 (Pass)
Coating material is applied to the shim side of the insert, which is installed on
the tool holder. Compare the shim contact surface after tightening.
PS Chipbreaker
Shim contact surface of
double clamp holder
The shape of the insert
breaker is transferred
indicating a high level of
contact.
Shim contact surface of
lever lock
Cutting edge side
Double Clamp
●Comparison of shim and insert contact
Cutting edge side
◯
◯
◯
Only a part of the shape
of the insert breaker is
transferred indicating a low
level of contact.
Convenient Marking Design
The spare part descriptions
and the screw tightening
torque are conveniently
located on the toolholder
body.
1
Screw
Tightening Torque
(N·m)
CS-2D
1.7
CS-3D
3.9
CS-5D
3.0
2
 Toolholder Lineup
B
Side Rake Angle:-6°
Inclination Angle:-6°
95
°
F2
F1
DCLN (External / Facing)
L2
· Applicable Insert
L1
Holder Description
H1
h
DCLNR/L 124B
164D
DCLNR/L 2020K-12
2525M-12
R
L
◦
◦
◦
◦
◦
◦
◦
◦
Unit
H1=h
B
L1 L2 F1 F2
inch 0.75 0.75 4.50 1.30
inch 1.00 1.00 6.00 1.26
mm 20 20 125
33
mm 25 25 150
Std.Corner-R(rε)
Description
Dimension
CN ● A
CN ● G
CNMM
DCLNR/L…4
DCLNR/L…-12
·Right-hand Shown
Stock
Insert Description
43..
Spare Parts
Clamp
1.00 0.80
1/32
1.25 0.78
25
20 0.8
32
Screw
Spring
Shim
Shim Screw Wrench Wrench(Optional)
For Clamp
For Shim
CP-3D
CS-3D
SP-3D
DC-44
SB-4085TR
LW-3
FT-15
CP-3D
CS-3D
SP-3D
DC-44
SB-4085TR
LW-3
FT-15
DDJN (External / Copying)
F1
F2
B
Side Rake Angle:-6°
Inclination Angle:-7°
93
°
· Applicable Insert
L2
Holder Description
L1
R/
h
H1
DDJN L…4
DDJNR/L…-1504
DDJNR/L…-1506
Stock
Description
Dimension
Unit
H1=h
B
L1 L2 F1 F2
R
L
DDJNR/L 124B
◦
◦
inch 0.75 0.75 4.50 1.54 1.00
164D
◦
◦
inch 1.00 1.00 6.00 1.54 1.25 0.97
◦
◦
◦
◦
◦
◦
◦
◦
mm
mm
mm
mm
DDJNR/L 2020K-1504
2525M-1504
DDJNR/L 2020K-1506
2525M-1506
20
25
20
25
20
25
20
25
125
150
125
150
39
25
32
25
32
25
25
Std.Corner-R(rε)
·Right-hand Shown
1/32
0.8
Insert Description
DN ● A
DN ● G
DNMM
43..
(44..)
44..
(43..)
Spare Parts
Clamp
CP-3D
CP-3D
Screw
CS-3D
CS-3D
The shims inside ( ) do not come with the holders. In the case of changing the insert thickness size,
please purchase the corresponding shim separately.
Spring
SP-3D
SP-3D
Shim
Shim Screw Wrench Wrench(Optional)
DD-44
SB-4085TR
(DD-43)
DD-44
(DD-43)
DD-43
(DD-44)
SB-4085TR
For Clamp
For Shim
LW-3
FT-15
LW-3
FT-15
◦:Standard stock
◦: World Express
2
3
 Toolholder Lineup
DDHN (External / Facing / Copying)
B
F2
F1
Side Rake Angle:-6°
Inclination Angle:-6°
· Applicable Insert
107.5°
L2
Holder Description
L1
h
H1
DDHNR/L…-1504
DDHNR/L…-1506
·Right-hand Shown
Insert Description
DN ● A
DN ● G
DNMM
43..
(44..)
44..
(43..)
B
F2
F1
Side Rake Angle:-6°
Inclination Angle:-6°
DSBN - 75°
DSDN & DSSN - 45°
F2
F1
2.5
DSBN (External)
· Applicable Insert
L2
L1
Holder Description
h
H1
2020K-12 TYPE
DSBNR/L…-12
·Right-hand Shown
Insert Description
SN ● A
SN ● G
SNMM
43..
B
Side Rake Angle:-6°
Inclination Angle:-6°
91
°
F2
F1
DTGN (External)
L2
· Applicable Insert
L1
F1
F2
h
H1
3.5
Holder Description
·Right-hand Shown
L2
(1616H-16)
Stock
Dimension (mm)
Description
R
DDHNR/
L
DDHNR/
L
L
H1=h
B
L1 L2 F1 F2
◦
◦
20
2525M-1504 ◦
◦
25
◦
◦
20
2525M-1506 ◦
◦
25
25 150
20 125
2020K-1504
2020K-1506
20 125
Std.Corner-R(rε)
91
°
DTGNR/L…-16
Clamp
Screw
Spring
32
20 125
0.8
CP-3D
CS-3D
◦
◦
20
2525M-12
◦
◦
25
25 150
DTGNR/L 2020K-16
◦
◦
20
20
2525M-16
◦
◦
25
25
17
SB4085TR
LW-3
FT-15
0.8
CP-3D
CS-3D
SP-3D
DS-44
SB4085TR
LW-3
FT-15
20
0.8
CP-2D
CS-2D
SP-2D
DT-32
SB-3080TR
LW-2.5
FT-10
32
The shims inside ( ) do not come with the holders. In the case of changing the insert thickness size, please purchase
the corresponding shim separately.
3
For Shim
25
25
150
For Clamp
13
22
125
Shim Screw Wrench Wrench(Optional)
DD-43
(DD-44)
32
34
25
Shim
SP-3D
22
DSBNR/L 2020K-12
33..
DD-44
(DD-43)
22
37
TN ● A
TN ● G
TNMM
Spare Parts
25
25 150
Insert Description
◦:Standard stock
◦: World Express
4
 Toolholder Lineup
DVJN/DVLN (External / Copying)
F1
B
Side Rake Angle:-6°
Inclination Angle:-9°
95
°
· Applicable Insert
L2
Holder Description
L1
h
H1
DVJNR/L…3
DVLNR/L…-16
·Right-hand Shown
Insert Description
VN ● A
VN ● G
33..
F1
F2
B
Side Rake Angle:-13°
Inclination Angle:-10°
· Applicable Insert
F2
5
F1
DVPN (External / Facing / Copying / Undercutting)
117.5˚
L2
2020K-16 TYPE
Holder Description
DVPNR/L…3
DVPNR/L…-16
h
H1
L1
·Right-hand Shown
Insert Description
VN ● A
VN ● G
33..
DVVN (External / Copying)
B
F1
Back Rake Angle:-11°
.5˚
· Applicable Insert
72
L2
Holder Description
L1
Description
R
H1
Dimension
N L
Unit
H1=h
B
L1 L2 F1
DVJNR/L 123B
●
● inch 0.750 0.750 4.50
163B
●
● inch 1.000 1.000 6.00
DVPNR/L 123B
●
● inch 0.750 0.750 4.50
163D
●
● inch 1.000 1.000 6.00
DVVNN 123B
163D
DVLNR/L 2020K-16
2525M-16
DVPNR/L 2020K-16
2525M-16
DVVNN 2020K-16
2525M-16
inch .750 .750 4.50
●
inch 1.000 1.000 6.00
●
◦
◦
◦
◦
◦
◦
◦
◦
◦
◦
mm
mm
mm
mm
mm
mm
20
25
20
25
20
25
20
25
20
25
20
25
1.77
1.58
1.81
1.00
1.25
1.00
1.25
0.40
0.52
F2
-
Std.Corner-R(rε)
h
Stock
DVVNN…3
DVVNN …-16
Clamp
Screw
Spring
Shim
CP-5D
CS-5D
SP-5D
DV-33
1.10 1/32
CP-5D
CS-5D
SP-5D
DV-33
1/32
CP-5D
CS-5D
SP-5D
DV-33
0.8
CP-5D
CS-5D
SP-5D
DV-33
125
25
45
150
32
125
27
40
28
150
32
125
10
46
150
12.5
VN ● A
VN ● G
33..
Spare Parts
1/32
-
Insert Description
Shim
Screw
SB4085TR
SB4085TR
SB4085TR
SB4085TR
Wrench Wrench(Optional)
For Clamp
For Shim
LW-3
FT-15
LW-3
FT-15
LW-3
FT-15
LW-3
FT-15
◦:Standard stock
◦: World Express
4
5
 Toolholder Lineup
DWLN (External / Facing)
F1
F2
95
°
B
Side Rake Angle:-6°
Inclination Angle:-6°
L2
L1
· Applicable Insert
Holder Description
h
H1
DWLNR/L…3
Stock
Description
DWLNR/
L
R
L
Dimension
Unit
H1=h
B
L1
L2
F1
F2
123B
●
●
inch 0.750 0.750 4.50 1.06 1.00 0.80
124B
●
●
inch 0.750 0.750 4.50 1.34 1.25 0.80
Std.Corner-R(rε)
·Right-hand Shown
Clamp
Screw
Spring
Shim
CP-2D
CS-2D
SP-2D
DW-32
CP-3D
CS-3D
SP-3D
DW-44
●
●
inch 1.000 1.000 6.00 1.06 1.25 0.78
CP-2D
CS-2D
SP-2D
DW-32
164D
●
●
inch 1.000 1.000 6.00 1.34 1.25 0.78
CP-3D
CS-3D
SP-3D
DW-44
◦
◦
mm
◦
◦
mm
CP-3D
CS-3D
SP-3D
DW-44
2525M-08
25
Shim wrenches (FT-10/FT-15) are sold separately
5
20
25
125
150
33..
33..
Spare Parts
163D
20
WN ● A
WN ● G
DWLNR/L…4
DWLNR/L…-08
1/32
DWLNR/L 2020K-08
Insert Description
Shim
Screw
SB3080TR
SB4085TR
SB3080TR
SB4085TR
Wrench Wrench(Optional)
For Clamp
For Shim
LW-2.5
FT-10
LW-3
FT-15
LW-2.5
FT-10
LW-3
FT-15
LW-3
FT-15
25
34
32
20
0.8
SB-4085TR
◦:Standard stock
◦: World Express
6
Other Cutting Tool Products from
Drilling
Milling
Drilling
Magic Drills
Holeshot Drills
Coremaster Drills
Stinger Drills
Counterbores
Countersinks
 Drilling Diameters from 0.394" to 4"
 Drilling Depths up to 5xD
 Wide variety of grade offerings for:
 Steel
 Stainless Steel
 Cast Iron
 Non-Ferrous Materials
Swiss
Turning
6
Kyocera Industrial Ceramics Corp.
Cutting Tool Division
100 Industrial Park Rd
Mountain Home, NC 28758
PH: 800-823-7284
FAX: 828-692-1344
[email protected]
www.kyocera.com/cuttingtools
KYOCERA Corporation
Cutting Tool Division
6 Takeda Tobadono-cho
Fushimi-ku, Kyoto Japan
ph: 075-604-3473
www.global.kyocera.com