A228 HOW TO READ THE STANDARD OF BORING BARS aHow this section page is organised zOrganised by product series. (Refer to the index on the next page.) TYPE OF BORING BAR indicates the initial letters for the order number, as well as applicable insert types. TITLE OF PRODUCT SERIES PRODUCT SECTION FIGURE SHOWING THE TOOLING APPLICATION uses illustrations and arrows to depict available machining applications along with cutting edge lead angles. GEOMETRY CHIP BREAKER BY CUTTING APPLICATION PRODUCT FEATURES PRODUCT STANDARDS indicates order numbers, stock status (per right/left hand), applicable inserts, dimensions, minimum cutting diameters, standard corner radius, recommended l/d ratios, and spare parts. MIN. CUTTING DIAMETER is colour-coded to let you find, at a glance, the maximum / minimum cutting diameters for internal machining. LEGEND FOR STOCK STATUS MARK is shown on the left hand page of each double-page spread. REFERENCE PAGE FOR APPLICABLE INSERTS indicates reference pages for details of inserts that are applicable to the title product. PAGE REFERENCE SPARE PARTS TECHNICAL DATA indicates reference pages, including the above, on the right hand page of each double-page spread. aTo Order: Please specify order number and hand of the tool (right/left).
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A228
HOW TO READ THE STANDARDOF BORING BARS
aHow this section page is organisedzOrganised by product series. (Refer to the index on the next page.)
TYPE OF BORING BARindicates the initial letters for the order number, as well as applicable insert types.TITLE OF PRODUCT SERIESPRODUCT SECTION
FIGURE SHOWING THE TOOLING APPLICATIONuses illustrations and arrows to depict availablemachining applications along with cutting edgelead angles.
GEOMETRYCHIP BREAKER BYCUTTING APPLICATIONPRODUCT FEATURES
PRODUCT STANDARDSindicates order numbers,stock status (per right/left hand), applicable inserts, dimensions,minimum cutting diameters,standard corner radius,recommended l/d ratios,and spare parts.
MIN. CUTTING DIAMETERis colour-coded to let you find, at aglance, the maximum / minimum cuttingdiameters for internal machining.
LEGEND FOR STOCKSTATUS MARKis shown on the left hand pageof each double-page spread.
REFERENCE PAGEFOR APPLICABLE INSERTSindicates reference pages for detailsof inserts that are applicable to thetitle product.
PAGE REFERENCE� SPARE PARTS� TECHNICAL DATAindicates reference pages, includingthe above, on the right hand page ofeach double-page spread.
aTo Order: Please specify order number and hand of the tool (right/left).
A229
A230A232
A234A235A242A245A247A248A251A254A261A265A266A267
BORING BARSTURNING
CLASSIFICATION OF BORING TOOLS....................IDENTIFICATION........................................................
STANDARD BORING BARS FEATURES OF DIMPLE BAR.................................. DIMPLE BAR............................................................ DOUBLE CLAMP DIMPLE BAR.............................. MICRO-DEX BORING BARS................................... MICRO-MINI BORING BARS................................... MICRO-MINI TWIN BORING BARS ........................ F TYPE BORING BARS........................................... S TYPE BORING BARS........................................... P TYPE BORING BARS........................................... M TYPE BORING BARS .......................................... AL TYPE BORING BARS ........................................ D TYPE BORING HEAD ..........................................
A230
' ' '
DSKN DTFNA243^ A243^
DDUN DVUNA242^ A244^
^ A226
^ A245
^ A266
^ A261
^ A259 ^ A254 ^ A255 ^ A259
^ A251 ^ A252
^ A236 ^ A237 ^ A240
^ A261 ^ A262
^ A247
^ A246SWUB STUC
FSTU FCTU
SVUCSDUCSTFCSSKC
SBA
' = 75° ' = 91° ' = 93°
FSTUP FSDUC FSVUB/C
PDUNPTFNPSKN
STFE
CooFR-BLS
NEW
BORING BARS
CLASSIFICATION
(Note 1) Holders with blue colour symbol have an anti-vibration carbide shank. (For Micro-dex boring bars, carbide shank only.)
S Type Boring Bars
F Type Boring Bars
DOUBLE CLAMPDIMPLE BAR
DIMPLE BAR
MICRO-MINIBoring Bars
SMALL TOOLS SBA
MICRO-MINI TWINBoring Bars
MICRO-DEXBoring Bars(Carbide Shank)
AL Type Boring Bars
M Type Boring Bars
P Type Boring Bars
The minimum cutting diameter is from &20.Suitable for non-ferrous metal.20°positive insert.Screw-on type.l/d is 6 times the diameter.Excellent vibration resistance.The minimum cutting diameter is from &5.7°positive insert.Carbide shank type.Easy-to-use tool geometries.Suitable for small workpieces.l/d is 5 times the diameter.The minimum cutting diameter is from &2.2.Solid carbide type with two cutting edges.Continuous cutting from boring to facing.With or without a chip breaker.
The minimum cutting diameter is &3.Tools for Gang type automatic lathes.
The minimum cutting diameter is from &3.2.Solid carbide type (Single cutting edges).l/d is 5 times the diameter.Cutting edge can be shaped according to the application.Thus, it covers a wide cutting range(threading,grooving,copying, etc.).
The minimum cutting diameter is from &5.8.11°positive insert.Screw-on type and Clamp-on type.l/d is 3 to 5 times the diameter.FSWL type is 7°positive insert.
The minimum cutting diameter is from &11.ISO standard.7°positive insert.Screw-on type.l/d is 3 to 5 times the diameter (Carbide shank is 7 times the diameter).The minimum cutting diameter is from &25.ISO standard.Economical negative insert.Lever lock type, and pin lock type.l/d is 3 times the diameter.
The minimum cutting diameter is from &32.Negative trigon shape insert.Double clamp type.l/d is 3 times the diameter.
Name of Tool Holder Features
The minimum cutting diameter is from &10.5°, 7°, 11° positive inserts.Excellent vibration resistance due to a light dimple head.l/d is 3 to 5 times the diameter (Carbide shank is 7 to 8 times the diameter).
CLA
SSIF
ICAT
ION
BO
RIN
G
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
The minimum cutting diameter is from &32.Economical negative insert.Single action type.Excellent vibration resistance due to a light dimple head.(With coolant hole.)l/d is 3 to 4 times the diameter.
A231
' '
'
' '
FSVJB/CA241^
CRA248^
NEW
DWLNDCLNA244^A242^
' = 95° ' = 142° ' = 107°30´ – 117°30´ ' = 3°,5°
^ A248
^ A245
^ A265
^ A262 ^ A263 ^ A263 ^ A264
^ A260^ A258^ A257^ A256
^ A253
^ A238 ^ A240^ A235^ A239
' = 93°
u u u
u u
u e
e
e e
e
u
e
ee e
e
e
e
e e
e u e
FSDQCFSCLC/PFSWUB/P FSVPB/C
FSWL
SCLC SDQC SVQC SCZC
PDZNPDQNPWLNPCLN
MWLN
SCLC
CBooRS(-B)
ee e e
(Note 2) e: 1st recommendation. u: 2nd recommendation.(Note 3) * Indicates that the shank material is carbide.
Selection Standard
Eco
nom
ical
Spe
cial
ized
Vibr
atio
nR
esis
ianc
eO
pera
tion
Effi
cien
cy
Low C
utting
Resis
t-an
ce (Sh
arpne
ss)
Cool
ant H
ole
Clam
p Ri
gidity
Small
Diam
eter
Cuttin
g
CLA
SSIF
ICAT
ION
BO
RIN
G
* *
*
*
*
A232
60°35°60°90°55°80°
11°
0°
20°
7°
93°
107°30´117°30´
95°
95°
75°
91°
60°
35°
60°
90°
55°
80°
øD1 L1
A
M
P
S
C
D
S
T
V
W
F
K
L
Q
U
Z
C
E
N
P
3.97
4.76
5.56
6.35
9.525
12.70
15.875
19.05
06
09
12
16
19
07
11
15
09
12
19
09
11
16
22
11
16
02
L3
04
06
08
C D S T V W
R
L
08
10
12
16
20
25
32
40
50
&8
&10
&12
&16
&20
&25
&32
&40
&50
80100125150180200250300350400
FHKMQRSTUV
C
E
S
S M S C L C R 09 16z x c v b n m , .
y
IDENTIFICATIONBORING BARS
ISO CODES KEY-Boring Tools for Internal Machining
aTool Holder with Coolant HoleaSteel Shank
aTool Holder with Coolant HoleaCarbide Shank
aCarbide Shank
aSteel Shank
z Shank Material x Shank Diameter & D1 (mm) c Tool Length L1 (mm) v Clamping Method
b Insert Shape
, Hand of Tool
n Tool Style m Insert NormalClearance
InscribedCircle of
Insert (mm)
. Insert Size
IDEN
TIFI
CAT
ION
BO
RIN
G
A233
F TS U 1 R
LR
PS
C
21
DSTVW
C
KLP
U
F
F
D
0810121620253240
810121620253240
��
��
� ��
��
�
LR
F S
F S C CL 0810 06
08
2/3R - -E
S
E
A
LQPJ
UDTVW
C
CP
B
08101216202532
8101216202532
10121314161820
10121314161820
222530323440
222530323440
z x c v b n m
91°75°95°
93°
117°30´Q 107°30´
z x c v b n m
, . /
4.76
0808
L3
6.350607
1111
04
7.940.8
9.52509
161606
11
5.56
09 1/2
8140
9070
12180120
90
16220145110
20250
125165
10160105
802/3
93°
5°7°
11°
95°
142°
107°30´117°30´
y
y
xClamp StructurezFunctionFixed type
cInsert Shape
DIMPLE BAR
Screw-on
RHOMBIC 80°
RHOMBIC 35°
RHOMBIC 55°TRIANGULAR 60°
TRIGON
vCutting Angle
bInsert Clearance
mShank DiameternMin.Cutting Diameter
,Hand of Tool
Steel Shank• Carbide Shank
• Tool Holder with Coolant Hole• Steel Shank• Tool Holder with Coolant Hole
/Shank Material.Cutting Edge LengthInscribed circle of insert Shank Dia.
No symbolRHOMBIC 80°RHOMBIC 55°
RHOMBIC 35°TRIANGULAR 60°
TRIGON
Right HandLeft Hand
F TYPE Boring toolsD TYPE Boring tools
zType
nShank DiametervCutting AnglexClamp Structure
Lever LockScrew-on
Clamp-on
Fixed Type
Detachable Type
cInsert Shape mHand of Tool
SQUARE 90°
RHOMBIC 80°RHOMBIC 55°
RHOMBIC 35°TRIGON
TRIANGULAR 60°
bShank Material
Carbide ShankSteel Shank Right Hand
Left HandID
ENTI
FIC
ATIO
N
Tool Length (Carbide shank only)
BO
RIN
G
A234
y
y y
TPG/MX0802oo ( &4.76)
TPG/MX0902oo ( &5.56)
TPG/MX1103oo ( &9.525)
TPG/MV0902oo ( &5.56)
TPG/MV1103oo ( &9.525)
70.1g
49.7g
CCG/MT0602oo ( &6.35)
CPG/MT0802oo ( &7.94)
CPG/MT0903oo ( &9.525)
CPMX0802oo ( &7.94)
CPMX0903oo ( &9.525)
Notes for the use of CCG/MT•CPG/MT•CPMX•TPG/MX•TPG/MV type insertsBy changing the clamp screw, it is possible to use the inserts listed on the table below.
* The simulation data stated above was conducted with a FSCLP1816R-09A holder, under the following conditions; l/d=5, depth of cut=0.5mm, and feed=0.05mm/rev.
* If the screw is too long, please cut to length.
Insert Number Clamp Screw
Can be used as it is.
Change to TS3
Change to TS4
Can be used as it is.
Can be used as it is.
Insert Number Clamp Screw
Change to CS200T
Change to CS250T
Change to CS300890T
Change to TS25
Change to TS3
VIBRATION RESISTANCE DEFLECTION RESISTANCE
Cutting Force (Back Force)
Cutting Force (Principal Force)
The unique cross sectional shape engineered into the dimple effectively balances the cutting forces (principal and back force), and reduces deflection by up to 17%.
Boring Bar Deflection DIMPLE BAR
Conventional Bar
a DIMPLE BAR Weight of the Head Damping Time
Weight of the Head Damping Time
By reducing the weight of the head, the damping properties are increased.
a Conventional Product
FEATURES OF DIMPLE BARBORING BARS
FEAT
UR
ES O
F D
IMPL
E B
AR
BO
RIN
G
20ms
15.8ms
28.3!m34!m
Highly rigid steel shank and a lightweight head configuration designed by computer simulation analysis reduces chatter and improves the vibration damping properties.
Chip disposal is improved by having two channels for chip evacuation.
The lightweight head with its large dimple reduces chatter.
Available in sizes smaller than the ISO standard. Therefore the boring of small diameter holes is possible.
The boring bar has a laser printed scale on the shank to facilitate easy installation.
"F and FS" breakers improves the quality of the surface finish, "MV" breaker offers excellent chip disposal. High wear resistant CBN inserts are also available for the machining of hardened materials.
A235
A093 A241A079 � A083 G001F001A136, A141, A150
95°øD1
RR° Re5°
95°
F1
L2L1 øD4
H1
95°Re
L15°
L2
F1
95°
øD1
RR° H1
øD4
FSCLC1008R/L-06A a a CCG/MHNP-CCMHNP-CCMB 0602oo 8 125 18 5 7.2 12 0.4 � 3 TS253 TKY08F
FSCLP1210R/L-08A a a
CPMHNP-CPMHNP-CPMB
0802oo 10 150 22.5 6 9 5 0.4 � 3.5 TS3D TKY10F
1412R/L-08A a a 0802oo 12 150 27 7 11 4 0.4 � 4 TS3D TKY10F
1816R/L-09A a a 0903oo 16 180 36 9 15 3.5 0.4 � 5 TS4D TKY15F
2220R/L-09A a a 0903oo 20 220 45 11 19 2 0.4 � 5 TS4D TKY15F
3025R/L-09A a a 0903oo 25 250 56.3 15 23.4 0 0.4 � 5 TS4D TKY15F
18
30
22
14
12
10
R L D4 L1 L2 F1 H1 RR°
a a CCGHCCMH
NP-CCMHNP-CCMB
0602oo 8 140 13.8 5 7.2 12 0.4 � 7 TS253 TKY08F
a 0602oo 8 90 13.8 5 7.2 12 0.4 � 7 TS253 TKY08F
a 0602oo 8 70 13.8 5 7.2 12 0.4 � 7 TS253 TKY08F
a a
CPMHNP-CPMHNP-CPMB
0802oo 10 160 16.0 6 9 5 0.4 � 7.5 TS3D TKY10F
a 0802oo 10 105 16.0 6 9 5 0.4 � 7.5 TS3D TKY10F
a 0802oo 10 80 16.0 6 9 5 0.4 � 7.5 TS3D TKY10F
a a 0802oo 12 180 17.8 7 11 4 0.4 � 8 TS3D TKY10F
a 0802oo 12 120 17.8 7 11 4 0.4 � 8 TS3D TKY10F
a 0802oo 12 90 17.8 7 11 4 0.4 � 8 TS3D TKY10F
a a 0903oo 16 220 21.8 9 15 3.5 0.4 � 8 TS4D TKY15F
a 0903oo 16 145 21.8 9 15 3.5 0.4 � 8 TS4D TKY15F
a 0903oo 16 110 21.8 9 15 3.5 0.4 � 8 TS4D TKY15F
a a 0903oo 20 250 24.0 11 19 2 0.4 � 8 TS4D TKY15F
Excellent vibration resistance due to light dimple head. Chip disposal is improved by having two channels for chip evacuation. A laser printed scale on the side for easy installation (Steel shank).l/d is 3 to 5 times the diameter (Carbide shank is 7 to 8 times the diameter).DIMPLE BAR a
Right hand tool holder shown. FSCLC1008R/L-06E (-2/3, -1/2)=1°
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) Please refer to page A241 for recommended cutting conditions.(Note 3) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
CBN
Finish Light
Medium
CBN
Finish Light
Medium
DIM
PLE
BA
R
CCoo typeinserts
CPoo typeinserts
CUTTINGCONDITIONS
BO
RIN
G
: Inventory maintained. a
TECHNICAL DATA
SPARE PARTS
D1 Re
Min.Cutting
Diameter
StandardCornerRadius
D1 Re
CBN & PCDinserts
A236
A095, A096A142, A154
93°
93°
ReøD4
H1L1
L2
5°
93°
F1
øD1
RR°
Re L1L2
5°
93°
F1
øD1
RR° H1
øD4
(08,09,11,16) (08,09,11,16)(08,09,11,16)
(08,09,11) (08,09,11,16)
SV
R/L-F
R/L-FS MVFSTUP
(08,09,11,16) (08,09,11,16)
(08,09,11) (08,09,11,16)
R/L-FS
(08,09,11,16)
SV
R/L-F
MVFSTUP-E
FSTUP1008R/L-08A a a
TPGHTPMH
NP-TPMBNP-TPMH
0802oo 8 125 18 7.2 10 0.4 � 3 TS2D TKY06F
1210R/L-09A a a 0902oo 10 150 22.5 9 8 0.4 � 3.5 TS25D TKY08F
1412R/L-09A a a 0902oo 12 150 27 11 7 0.4 � 4 TS25D TKY08F
1816R/L-11A a a 1103oo 16 180 36 15 4 0.4 � 5 TS31D TKY10F
2220R/L-11A a a 1103oo 20 220 45 19 0 0.4 � 5 TS31D TKY10F
3225R/L-16A a a 1603oo 25 270 56.3
5
6
7
9
11
16 23.4 0 0.8 � 5 TS4D TKY15F
a a
TPGHTPMH
NP-TPMBNP-TPMH
0802oo 8 140 13.8 5 7.2 10 0.4 � 7 TS2D TKY06F
a 0802oo 8 90 13.8 5 7.2 10 0.4 � 7 TS2D TKY06F
a 0802oo 8 70 13.8 5 7.2 10 0.4 � 7 TS2D TKY06F
a a 0902oo 10 160 16.0 6 9 8 0.4 � 7.5 TS25D TKY08F
a 0902oo 10 105 16.0 6 9 8 0.4 � 7.5 TS25D TKY08F
a 0902oo 10 80 16.0 6 9 8 0.4 � 7.5 TS25D TKY08F
a a 0902oo 12 180 17.8 7 11 7 0.4 � 8 TS25D TKY08F
a 0902oo 12 120 17.8 7 11 7 0.4 � 8 TS25D TKY08F
a 0902oo 12 90 17.8 7 11 7 0.4 � 8 TS25D TKY08F
a a 1103oo 16 220 21.8 9 15 4 0.4 � 8 TS31D TKY10F
a 1103oo 16 145 21.8 9 15 4 0.4 � 8 TS31D TKY10F
a 1103oo 16 110 21.8 9 15 4 0.4 � 8 TS31D TKY10F
a a 1103oo 20 250 24.0 11 19 0 0.4 � 8 TS31D TKY10F
Excellent vibration resistance due to light dimple head.Chip disposal is improved by having two channels for chip evacuation.A laser printed scale on the side for easy installation (Steel shank).l/d is 3 to 5 times the diameter (Carbide shank is 7 to 8 times the diameter).
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) Please refer to page A241 for recommended cutting conditions.(Note 3) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
1612R/L-07A a a 0702oo 12 150 22.5 8.6 2.6 11 6 0.4 � 4 TS25 TKY08F
2016R/L-07A a a 0702oo 16 180 22.5 10.6 2.6 15 5 0.4 � 5 TS25 TKY08F
2520R/L-11A a a 11T3oo 20 180 26 13.7 3.7 19 7 0.8 � 5 TS43 TKY15F25
20
16
13
R L D4 L1 L2 F1 F2 H1 RR°
MV
MV
(07,11)
(07,11) (07,11)
(07,11) (07,11)
FV
R/L-F
SVFSDQC-E
(07,11)
(07,11)(07,11)
(07,11)
(07,11)
(07,11) (07,11)
FV
R/L-F
SVFSDQC
BORING BARS
DIMPLE BAR a
a
a
a
Excellent vibration resistance due to light dimple head.Chip disposal is improved by having two channels for chip evacuation.A laser printed scale on the side for easy installation (Steel shank).l/d is 3 to 5 times the diameter (Carbide shank is 7 to 8 times the diameter).
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) Please refer to page A241 for recommended cutting conditions.(Note 3) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
A239
A098A078 A241 G001F001
93°
93°L1
L2 H1
93°
5°F1
øD4øD1
RR° Re
93°
F1
L2
L1
RR°øD1
5°
H1
øD4Re
FSWUB1008R/L-L3A a a WBMTWBGT
L302oo 8 125 18 5 7.2 14 0.2 � 3 TS2 TKY06F
1210R/L-L3A a a L302oo 10 150 22.5 6 9 11 0.2 � 3.5 TS2 TKY06F
FSWUP1412R/L-04A a a
WPMTWPGT
0402oo 12 150 27 7 11 4 0.4 � 4 TS253 TKY08F
1816R/L-04A a a 0402oo 16 180 36 9 15 1 0.4 � 5 TS253 TKY08F
2220R/L-06A a a 0603oo 20 220 45 11 19 2 0.8 � 5 TS4 TKY15F
3025R/L-06A a a 0603oo 25 250 56.3 15 23.4 0 0.8 � 5 TS4 TKY15F30
22
18
14
12
10
R L D4 L1 L2 F1 H1 RR°
a a
WBMTWBGT
L302oo 8 140 13.8 5 7.2 14 0.2 � 7 TS2 TKY06F
a L302oo 8 90 13.8 5 7.2 14 0.2 � 7 TS2 TKY06F
a L302oo 8 70 13.8 5 7.2 14 0.2 � 7 TS2 TKY06F
a a L302oo 10 160 16.0 6 9 11 0.2 � 7.5 TS2 TKY06F
a L302oo 10 105 16.0 6 9 11 0.2 � 7.5 TS2 TKY06F
a L302oo 10 80 16.0 6 9 11 0.2 � 7.5 TS2 TKY06F
a a
WPMTWPGT
0402oo 12 180 17.8 7 11 4 0.4 � 8 TS253 TKY08F
a 0402oo 12 120 17.8 7 11 4 0.4 � 8 TS253 TKY08F
a 0402oo 12 90 17.8 7 11 4 0.4 � 8 TS253 TKY08F
s a 0402oo 16 220 21.8 9 15 1 0.4 � 8 TS253 TKY08F
2520R/L-11A a a 1103oo 20 200 40.5 17.5 7 0.4 � 5 � � TS255 TKY08F
3425R/L-16A a a 1604oo 25 220 20.5 23.4 13 0.8 � 5 SPSVN32 BCP141 TS35D TKY15F
4032R/L-16A a a 1604oo 32 250 84.0 27.5 30.4 9 0.8 � 5 SPSVN32 BCP141 TS35D TKY15F
25
50
11
12
8.5
8
8
5.5
19
15
11
40
34
20
25
16
34
40
25
20
16
R L D4 L1 L2 F1 F2 H1 RR°
RR°
FSVPB/C
(08,11,16) (08,11,16)
(16)
R/L-F
(11,16)
MV
(08,11) (08,11)
(16)
R/L-F
(08,11)
MV
FSVUB/C
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) Please refer to page A241 for recommended cutting conditions.(Note 3) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
BORING BARS
DIMPLE BAR a
a
a
a
Excellent vibration resistance due to light dimple head. Chip disposal is improved by having two channels for chip evacuation. A laser printed scale on the side for easy installation (Steel shank).l/d is 3 to 5 times the diameter.
CBN
VCooinserts, VBooinserts
VCooinserts, VBooinserts
Right hand tool holder shown.
Right hand tool holder shown.
Medium
MediumFinish
Standard
ClampScrew Wrench
Order Number Stock
Insert Number Dimensions (mm)
Shim Shim Pin
Recom-mended
l/dRatio
CBNMedium
MediumFinish
Standard
Order Number Stock
Insert Number Dimensions (mm)
ClampScrew Wrench Shim Shim Pin
Recom-mended
l/dRatio
With coolant hole
With coolant hole
DIM
PLE
BA
R
CBN & PCD inserts
VCoo type inserts
BO
RIN
G
: Inventory maintained. a VBoo type inserts
Min.Cutting
Diameter
StandardCornerRadius
D1 Re
Min.Cutting
Diameter
StandardCornerRadius
D1 Re
: Inventory maintained.a
A241
A091 G001F001A076, A077
142° 142°
L3
L1H1
øD4
5°øD1
RR°
F1
Re
FSVJC1612R/L-08S a a VCGT VCMT
0802oo 12 150 26 2 11 5 0.4 � 4 TS202 TKY06F
2016R/L-08S a a 0802oo 16 180 36 2 15 5 0.4 � 5 TS202 TKY06F
FSVJB2520R/L-11S a a
VBGTVBET
VBMT
1103oo 20 200 37.5 2 19 5 0.4 � 5 TS255 TKY08F
3025R/L-11S a a 1103oo 25 250 45 3.5 23.4 5 0.4 � 5 TS255 TKY08F 30
GradeRecom-mendationBreakerWork Material Cutting Speed
(m/min) Feed(mm/rev)
Depth of Cut(mm)
Feed(mm/rev)
Depth of Cut(mm)
Mild Steel<180HB
Carbon SteelAlloy Steel180�280HB
Stainless Steel180�280HB
Heat Treated Steel 35�65HRC
Aluminium Alloy
Cast IronTensile Strength
<350N/mm2
(Note 1) When vibrations occur, reduce cutting speed by 30%.(Note 2) The depth of cut needs to be less than the nose diameter when using the FSVJ type.
Min.Cutting
Diameter
StandardCornerRadius
D1 Re
CuttingMode
Finish
Medium
Light
Finish
Medium
Light
Finish
Finish
Finish
Medium
Medium
Light
Finish
A242
A048 �A052 A053 �A056A124, A126, A127
95°
93°
øD4
H1RR°
Re
L1
L3
F1
95°
ReL1
L3
F1
93°
RR°
øD1
6°
øD1
6°øD4
H1
(12) (12)
(12) (12)
SH MV
MS
(12)
(12)
SA
(12)
(12)
FH
MH
DCLN
D4 L1 L3 F1 H1 RR°R L
LLH4
LLH4
LLH4
TKY20F
TKY20F
TKY20F
DC0621T
DC0621T
DC0621T
DCS1
DCS1
DCS1
DCK2613
DCK2613
DCK2613
LLP14
LLP14
LLP14
LLSCP42
LLSCN42
LLSCN42
A25R-DCLNR/L12A32S-DCLNR/L12A40T-DCLNR/L12
CNMACNMGCNMMCNGG 1204pp
25
32
40
200
250
300
40
50
63
17
22
27
23
30
37
11
13
10
32
40
50
0.8
0.8
0.8
s s
s s
s s
D4 L1 L3 F1 H1 RR°R L
LLH4
LLH4
LLH4
TKY20F
TKY20F
TKY20F
DC0621T
DC0621T
DC0621T
DCS1
DCS1
DCS1
DCK2613
DCK2613
DCK2613
LLP14
LLP14
LLP14
LLSDP42
LLSDN42
LLSDN42
A25R-DDUNR/L15A32S-DDUNR/L15A40T-DDUNR/L15
DNMADNMGDNMXDNGADNGG
1504pp
25
32
40
200
250
300
40
50
63
17
22
27
23
30
37
13
13
10
32
40
50
0.8
0.8
0.8
s s
s s
s s
(15) (15)
(15) (15)
MV MH
R/L
(15)
(15)
SH
MS
(15)
(15)
FHDDUN
1204pp
1204pp
1504pp
1504pp
NEW
NEW
DO
UB
LE C
LAM
P D
IMPL
E B
AR
With coolant hole
MediumLight
Stainless
Finish
Medium CBN
CBN
Medium
Standard
Right hand tool holder shown.
DIMPLE BARDOUBLECLAMP
CNpp type inserts
DNpp type inserts
CNooinserts
DNooinserts
ClampScrew WrenchSpringShim PinShim Clamp
Bridge Punch
With coolant hole
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
: Inventory maintained.a : Inventory maintained in Japan.s
BORING BARSB
OR
ING
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimentions.(Note 2) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
Solid carbide type with minimum cutting diameter &3.2mm.l/d is 5 times the diameter. Cutting edge can be shaped according to the application thus, it covers a wide cutting range (threading, grooving copying, etc.).
a a
* Cutting edge is not honed. Please hone according to the workpiece before machining.
GRINDING THE CUTTING EDGE OF MICRO-MINI BORING BAR MICRO-MINI boring bar can be applied to boring and grooving without any modifications. It can also be reground as shown below. For shaping and regrinding, use diamond whetstone approximately #250 � #400. Please grind according to application using the figure below as a reference.
* The Re dimension represents the size before grinding a chip breaker.
A249
G001F001
1 2 3
3
2
6
R5R5
3
2
6
P
M
K
N
0.03(0.01�0.05)
0.03(0.01�0.05)
0.03(0.01�0.05)
0.05(0.01�0.08)
0.2(0.1�0.3)
0.2(0.1�0.3)
0.2(0.1�0.3)
0.3(0.1�0.5)
3�5
3�5
3�5
3�5
80(40�120)
80(40�120)
80(40�120)
120(80�160)
80(40�120)
80(40�120)
120(80�160)
80(40�120)
0.02(0.01�0.03)
0.02(0.01�0.03)
0.03(0.01�0.05)
0.03(0.01�0.05)
03RS/04RS
0.03(0.01�0.05)
0.03(0.01�0.05)
0.05(0.01�0.08)
0.03(0.01�0.05)
05RS
y
y
Micro-Mini Twin CB Micro-Mini Twin CR
MIC
RO
-MIN
I TW
INB
OR
ING
Work Material
Non-Ferrous Meterial(Aluminium, Brass etc.)
Cast Iron
General Steel
Stainless Steel
(Note 1) Recommend wet machining.(Note 2) The recommended tool overhang of CR type is L10+2mm.
Feed(mm/rev)
Depth of Cut(mm) l/dCutting Speed
(m/min)Feed (mm/rev)Cutting Speed
(m/min)
RECOMMENDED CUTTING CONDITIONS
PRECAUTIONS WHEN USING THE MICRO-MINI TWIN
aTo avoid chipping of the 2nd cutting edge take care when inserting the boring bar into the holder. Refer to fig.1. If the 2nd edge contacts the internal face of the holder there is a possibility that it may chip.
aWhen installing the boring bar into the holder, tighten the clamp screws after ensuring the flats on the tool holder are parallel to the reference flats on the micro-mini bar. Refer to fig.3.
sMake sure that the clamping screws are tightened to the recommended values.dDo not tighten the clamp screw without a bar in place, otherwise the bridge will be deformed.
sWhen using this type of holder, there is a possibility that damage to the shank and the 2nd cutting edge can occur. Make sure that the clamping screws are tightened to the set torque value. Additionally make sure that there is no clamping screw near the 2nd cutting edge as this can break the boring bar.
eWhen using Mitsubishi holders When using holders with a tool overhang of recommended quantity, ensure that the 3rd clamping
screw is removed prior to machining. The set torque value for clamping screw is 2.0 N � m.
aWhen using a holder for general purpose / small automatic lathe:
aWhen using a square type holder:
Internal face of the holder
Insert directionCutting edge
3rd clamping screw
2nd cutting edgeInsert point
Insert The reference plane of square type holder
Tighten the clamping screw ensuring the micro-mini twin boringbar is in contact with the reference plane of square type holder.
Fig.1
Fig.2
Fig.3
MACHINING METHODS OF THE CR TYPEaProfile turning
<Cutting Conditions>Workpiece : DIN S20CHolder : CR05RS-01BCutting Speed : 80m/minFeed : 0.05mm/revDepth of Cut : 0.05mmWet Cutting
Machining a work piecewithout a pre-prepared hole
a Inner end facing
NOTES FOR USE
<Cutting Conditions>Workpiece : DIN S20CHolder : CR05RS-01BCutting Speed : 80m/minFeed : 0.05mm/revDepth of Cut : 0.05mmWet Cutting
Depth of Cut
Depth of Cut Depth of Cut
Depth of Cut
Depth of Cut
Machining a work piecewith a pre-prepared hole
By drilling a pre-prepared hole, the machining time will be shortened and chip control will be improved.
By drilling a pre-prepared hole, the machining time will be shortened and chip control will be improved.
Machining a work piecewithout a pre-prepared hole
Machining a work piecewith a pre-prepared hole
The cutting edgeshould not cross
the centre line of thework piece.
Profile turning,Inner end facing
The depth of cutshould be smaller
than the noseradius value.
Copying
If the cutting edge crosses the centre line of awork piece, the cutting edge can fracture.
With depths of cut larger than thenose radius value, burrs will be formed.
: Inventory maintained.a : Inventory maintained in Japan.s
BO
RIN
G
ROUND TYPE HOLDER
Order Number Micro-MiniC
Micro-Mini TwinDimensions (mm)
*Order number of clamp screw A=HSS04004, B=HSS04006, C=HSS04008
Order NumberMicro-Mini Twin Clamp
Screw
Dimensions (mm)
SQUARE TYPE HOLDERCB type (Boring bar fits in a holder)
*L3 is the maximum length of overhang recommended for efficient clamping, and ( ) is the recommended length for general purpose steel machining.(Note) The MICRO-DEX and the MICRO-MINI cannot be fitted to square holders.
CR type (Boring bar fits in a holder)
(Cla
mp)
*
Sto
ck *Clamp ScrewWrench Torque
(N � m)
Wrench Torque(N � m)S
tock
A251
A095 � A097A142, A154 G001F001
93°øD4
H1
L1RR°
5°
øD1
3°
F1
L2Re
93°øD4
H1
F1
L3
L1
øD1
RR°5°
3°
Re
FSTU108R/L a a 0802oo 8 125 18 5 7 15 0.4 CS200T TKY06F
110R/L a a 0902oo 10 150 22 6 9 13 0.4 CS250T TKY08F
112R/L a a 0902oo 12 180 25 8 11 10 0.4 CS250T TKY08F
116R/L a a 1103oo 16 200 30 11 14 7 0.4 CS300890T TKY08F
FSTU208R/L a a
TPGXTPMX
NP-TPGXNP-TPMX
TPGXTPMX
NP-TPGXNP-TPMX
0802oo 8 125 13 5 7 15 0.4 CS200T TKY06F
210R/L a a 0902oo 10 150 16 6 9 13 0.4 CS250T TKY08F
212R/L a a 0902oo 12 180 19 8 11 10 0.4 CS250T TKY08F
216R/L a a 1103oo 16 200 26 11 14 7 0.4 CS300890T TKY08F
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
FTYPEBORING BARS
a
a
a
11° positive insert and clamp-on type.Screw-on type.l/d is 3 to 5 times the diameter (up to 7 times with the carbide shank).
120R/L a a 1603oo 20 200 37 13 18 5 0.8 � � CBT3F HKY30R125R/L a a 1603oo 25 250 40 16 22 5 0.8 PT32 BCP202 CBT3F HKY30R132R/L a a 1603oo 32 300 45 20 29 0 0.8 PT32 BCP201 CBT3F
C3
C4
C4
C4 HKY30R40
32
26
22
RR°
(11,16) (11,16)
(11,16)
R/L
(11,16)
(11,16)
FCTU1
(11,16) (11,16)
(11,16)
R/L
(11,16)
(11,16)
FCTU2
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
BORING BARSTYPEBORING BARSF a
a
a
7° positive insert and clamp-on type.Screw-on type.l/d is 3 to 5 times the diameter (up to 7 times with the carbide shank).
Order Number Insert NumberStock Dimensions (mm)
Shim Shim Pin Wrench
Right hand tool holder shown.
CBN/PCD
TPooinserts
TPooinserts M Class G ClassM Class
G Class
ClampSet
BreakerPiece
(4 Side Flat Shank)
(4 Side Flat Shank)
Order Number Insert NumberStock Dimensions (mm)
Shim Shim Pin Wrench
Right hand tool holder only.
CBN/PCD
M Class G ClassM Class
G Class
Carbide shank
ClampSet
BreakerPiece
F TY
PE B
OR
ING
BA
RS
TPoo typeinserts
CBN & PCDinserts
BO
RIN
G
: Inventory maintained.a : Inventory maintained in Japan.s
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
a
a
a
a
ISO standard.7° positive insert.Screw-on type.l/d is 3 to 5 times the diameter (up to 7 times with the carbide shank).STYPE
BORING BARS
BORING BARS
PCD/CBN
Order Number
MediumFinish
Flat Top
Standard
Right hand tool holder shown.
TCooinserts
TCooinserts
Clamp Screw Wrench
StockInsert Number
Dimensions (mm)
Carbide shank
Right hand tool holder only.
PCD/CBN
MediumFinish
Flat Top
Standard
Clamp Screw Wrench
Order NumberStock
Insert NumberDimensions (mm)
S T
YPE
BO
RIN
G B
AR
S
TCoo typeinserts
BO
RIN
G
: Inventory maintained.a
Min.Cutting
Diameter
StandardCornerRadius
D1 Re
Min.Cutting
Diameter
StandardCornerRadius
D1 Re
CBN & PCDinserts
A255
A084 � A087 G001F001A138, A150
93°
93°
øD4H1
L1
L3
F1
F2
50°93°
øD1
RR° Re
øD4
H1
L1
L3
øD1
RR°
93°
F1
F2
50°
Re
S10HSDUCR/L07 a a 0702oo 10 100 16 7 9 13 0.4 TS25 TKY08F
S12KSDUCR/L07 a a 0702oo 12 125 20 9 11 10 0.4 TS25 TKY08F
S16MSDUCR/L07 a a 0702oo 16 150 25 11 14 7 0.4 TS25 TKY08F
S20QSDUCR/L11 a a 11T3oo 20 180 32 13 18 7 0.8 TS4 TKY15F
S25RSDUCR/L15 a a 1504oo 25 200 40 17 23 5 0.8 TS5 TKY25F
S32SSDUCR/L15 a a 1504oo 32 250 50 22 30 5 0.8 TS5 TKY25F
S40TSDUCR/L15 a a 1504oo 40 300 63 27 37 5 0.8 TS5 TKY25F
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
BO
RIN
G
: Inventory maintained.a
a
a
a
a
ISO standard.7° positive insert.Screw-on type.l/d is 3 to 5 times the diameter (up to 7 times with the carbide shank).
S20QSVQCR/L11 a a 1103oo 20 180 32 13 18 7 0.4 TS25 TKY08F
S25RSVQCR/L16 a a 1604oo 25 200 40 17 23 5 0.8 TS4 TKY15F
S32SSVQCR/L16 a a 1604oo 32 250 50 22 30 5 0.8 TS4 TKY15F
S40TSVQCR16 a a 1604oo 40 300 63 27 37 5 0.8 TS4 TKY15F50
40
32
25
20
25
32
20
R D4 L1 L3 F1 H1 RR°
R L D4 L1 L3 F1
3.1
3.1
4.9
3.9
4.4
6.9
8.4
9.4
F2
F2 H1 RR°
(16) (11,16)
(11,16)
FVSVQC
(16) (11,16)
(11,16)
FVSVQC
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
BORING BARS
STYPEBORING BARS
Right hand tool holder shown.
Finish MediumStandard
Dimensions (mm)Order Number
StockInsert Number
Flat Top
Finish Medium
Flat Top
Standard
Dimensions (mm)Order Number
StockInsert Number
VCooinserts
VCooinserts
Carbide shank
Right hand tool holder only.
S T
YPE
BO
RIN
G B
AR
S
VCoo typeinserts
BO
RIN
G
: Inventory maintained.a
a
a
a
a
ISO standard.7° positive insert.Screw-on type.l/d is 3 to 5 times the diameter (up to 7 times with the carbide shank).
ClampScrew Wrench
Min.Cutting
Diameter
StandardCornerRadius
D1 Re
ClampScrew Wrench
Min.Cutting
Diameter
StandardCornerRadius
D1 Re
A259
E001F001 A091A089 G001F001
75°øD1
RR°
75°
F1
60°
L1
L3
øD4
H1Re
93°øD1
RR°
L1
L3
F1
F2
50°
93°
øD4
H1Re
S16MSSKCR/L09 a a
SCMWSCMT
09T3oo 16 150 25 11 14 7 0.8 TS4 TKY15F
S20QSSKCR/L09 a a 09T3oo 20 180 32 13 18 7 0.8 TS4 TKY15F
S25RSSKCR/L12 a a 1204oo 25 200 40 17 23 5 0.8 TS5 TKY25F
S20QSVUCR/L11 a a
VCMWVCMT
1103oo 20 180 32 13 18 7 0.4 TS25 TKY08F
S25RSVUCR/L16 a a 1604oo 25 200 40 17 23 5 0.8 TS4 TKY15F
S32SSVUCR/L16 a a 1604oo 32 250 50 22 30 5 0.8 TS4 TKY15F
S40TSVUCR/L16 a a 1604oo 40 300 63 27 37 5 0.8 TS4 TKY15F
ISO standard.7° positive insert.Screw-on type.l/d is 3 to 5 times the diameter (up to 7 times with the carbide shank).
TYPEBORING BARS
PCD/CBN
Order NumberStock
Insert NumberDimensions (mm)
CCooinserts
Right hand tool holder shown.
MediumFinish
Flat Top
Standard
WrenchClampScrew
Work Material Hardness Cutting Mode(mm)
Cutting Speed Feed Depth of Cut(m/min) (mm/rev)(mm)
Cutting Speed Depth of Cut(m/min)
l/d=3 � 4 (Shank Diameter>25mm)
Feed(mm/rev)
Aluminium Alloy
Stainless Steel
Carbon SteelAlloy Steel
Light Cutting
Light Cutting
Light Cutting
Medium Cutting
Medium Cutting
Medium Cutting
RECOMMENDED CUTTING CONDITIONS
S T
YPE
BO
RIN
G B
AR
S
CCoo typeinserts
BO
RIN
G
: Inventory maintained.a
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
A25RPDUNR/L11 a a 1104oo 25 200 40 6.9 23 15 0.8 LLSDN32 LLP13 LLCL23 LLCS106 HKY25R LLH3 � � �
A25RPDUNR/L15 a a 1504oo 25 200 40 6.9 23 13 0.8 MLDP42 � � � HKY15RHKY30R � HP43 P210AM HSS03005
A32SPDUNR/L11 a a 1104oo 32 250 50 8.4 30 13 0.8 LLSDN32 LLP13 LLCL23 LLCS106 HKY25R LLH3 � � �
A32SPDUNR/L15 a a 1504oo 32 250 50 8.4 30 13 0.8 LLSDN42 LLP14 LLCL24 LLCS108S HKY30R LLH4 � � �
A40TPDUNR/L15 a a 1504oo 40 300 63 9.4 37 10 0.8 LLSDN42 LLP14 LLCL24 LLCS108S HKY30R LLH4 � � �
A50UPDUNR/L15 a a 1504oo 50 350 80 12.4 47 9 0.8 LLSDN42 LLP14 LLCL24 LLCS108S HKY30R LLH4 � � �70
54
44
44
32
32
26
HGM-PT3/8
HGM-PT3/8
HGM-PT3/8
HGM-PT3/8
HGM-PT1/4
HGM-PT1/4
HGM-PT1/8
(15) (15)
(15) (15)
MV MH
R/L
(11,15)
(11,15)
SH
MS
(15)
(11,15)
FHPDUN
D4 L1 L3 F2
15
17
17
22
22
27
35
F1 H1 RR°
D4 L1 L3 F1 H1 RR°
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
PTYPEBORING BARS
BORING BARS
DNooinsertsWith coolant hole
*Pin Lock TypeRight hand tool
holder shown.
Dimensions (mm)Order Number Insert
NumberStock
CBN
Medium Medium
G Class
Finish Light
Medium StainlessStandard
PlugClampLeverShim Shim
PinClampScrew Wrench Punch PinClamp
Pin Screw
Light Medium
Stainless
Finish Light
Medium MediumStandard
With coolant hole CNooinserts
Right hand tool holder shown.*Pin Lock Type
Dimensions (mm)Order Number Insert
NumberStock
PlugClampLeverShim Shim
PinClampScrew Wrench Punch PinClamp
Pin Screw
P T
YPE
BO
RIN
G B
AR
S
DNoo typeinserts
CNoo typeinserts
BO
RIN
Ga
a
a
a
ISO standard.Economical negative insert.Lever lock type and pin lock type.l/d is 3 times the diameter.
ISO standard.Economical negative insert.Lever lock type and pin lock type.l/d is 3 times the diameter.
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) When using inserts with right or left hand chip breakers, please use right hand
inserts for right hand holders and left hand inserts for left hand holders.
The minimum cutting diameter is from &32.Negative trigon shape insert.Double clamp type.l/d is 3 times the diameter.
WNooinsertsWith coolant holeLight Medium
Medium Stainless
Finish
MediumStandard
Right hand tool holder shown.
Dimensions (mm)Order Number Insert Number
Stock
Shim PlugWrenchSpringShim Pin Side LockPlate
ClampBridge
ClampScrew
M T
YPE
BO
RIN
G B
AR
S
WNoo typeinserts
RECOMMENDED CUTTING CONDITIONS
(mm)Cutting Speed Feed Depth of Cut
(m/min) (mm/rev)(mm)Cutting Speed Depth of Cut
(m/min)Feed
(mm/rev)Work Material Hardness Cutting
Mode
Stainless Steel
Cast Iron
Carbon Steel, Alloy Steel
Medium Cutting
Medium Cutting
Medium CuttingTensile Strength<350N/mm2
BO
RIN
G
TECHNICALDATA
SPARE PARTS
D1 Re
Min
. Cut
ting
Dia
met
erSt
anda
rdCo
rner
Rad
ius
CBNinserts
A266
A101A157
91°øD4
H1
L1L2 10
7°3°
øD1 1°
F1
Re
� 3.0N HTi10
MD220
400(200 � 600)
800(200 � 1500)
0.15(0.05 � 0.25) � 3.00.15
(0.05 � 0.25) � 2.50.1(0.05 � 0.2) � 1.00.1
(0.05 � 0.2)
� 3.00.15(0.05 � 0.25) � 3.00.15
(0.05 � 0.25) � 2.50.1(0.05 � 0.2) � 1.00.1
(0.05 � 0.2)
S16RSTFER/L16 a a
TEGX...R/L
1603oo 16 200 30 11 14.6 0.4 FC400890T TKY10F
S20RSTFER/L16 a a 1603oo 20 200 37 13 18 0.4 FC400890T TKY10F
S25SSTFER/L16 a a 1603oo 25 250 40 17 23 0.4 FC400890T TKY10F32
25
20
R L D4 L1 L2 F1 H1
(16) (16)
(16)
R/L R/LSTFE
l/d=3 l/d=4 l/d=5 l/d=6
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.
ALTYPEBORING BARS
a
a
a
a
a
aSuitable for non-ferrous metal.20° positive insert.Screw-on type.l/d is 6 times the diameter.
Excellent vibration resistance.The minimum cutting diameter is from &20.
BORING BARS
WrenchClamp Screw
Order Number Insert NumberDimensions (mm)Stock
TEooinserts
Right hand tool holder shown.
PCD
PCDMedium
RECOMMENDED CUTTING CONDITIONS
Work Material Grade Cutting Speed(m/min)
Aluminium Alloy
(mm)D.O.CFeed
(mm/rev) (mm)D.O.CFeed
(mm/rev) (mm)D.O.CFeed
(mm/rev) (mm)D.O.CFeed
(mm/rev)
AL
TYPE
BO
RIN
G B
AR
S
TEoo typeinserts
CBN & PCDinserts
BO
RIN
G
: Inventory maintained.a : Inventory maintained in Japan.s
The minimum cutting diameter is from &40.Economical negative insert.Lever lock type.Exchangeable head type.
CBN
CNooinserts Light Medium
Stainless
Finish Light
Medium MediumStandard
Shim Shim Pin WrenchClamp Lever Clamp Screw
Right hand tool holder only.Please refer to page A269 for arbor.
Dimensions(mm)Order Number Insert Number
Stock
CBN
Medium Medium
G Class
Finish Light
Medium MediumStandard
Please refer to page A269 for arbor.
DNooinserts
Right hand tool holder only.
Shim Shim Pin WrenchClamp Lever Clamp Screw
Dimensions(mm)Order Number Insert Number
Stock
D T
YPE
BO
RIN
G H
EAD
CNoo typeinserts
DNoo typeinserts
BO
RIN
G
: Inventory maintained in Japan.s
(Note 1) Insert photo, letters show chip breaker style, figures show insert dimensions.(Note 2) When using inserts with right or left hand chip breakers, please use left hand
inserts for right hand holders and right hand inserts for left hand holders.