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TAC Boring Toolholder
Selection Guides
Applications and Min. Bore Diameter ....... 173
Types and Applications ............................. 174
Clamping Mechanism and Features ......... 175
Nomenclature for TAC Boring Toolholder .... 176
Specifications
b “Jet-Tool” Boring Toolholder ................................ 178
b S-type (Positive . Screw-on type) .......................... 180
b C-type (Positive . Clamp-on type) ......................... 187
b P-type (Negative . Pin-lock type) .......................... 189
b M-type(Negative . Multi-clamp type) .................... 192
b Nomenclature ......................................................... 195
T-Bar with Reinforced Carbide Inlets
for Antivibration
TAC Boring Tool
List of TAC Boring Bars 173
Applications and Min. Bore Diameters by Toolholder type
Positive rake type (Conformed to ISO)
Min. bore diameter (mm) Min. bore diameter (mm)
Type Style Page Type Style Page
5 10 20 30 40 50 5 10 20 30 40 50
SCLPR/L CTFPR/L
ø16 ø25 Carbide Reinf. ø16 ø40 Steel
180 187
ø10 ø32 Carbide
C
SCLCR/L CSKPR/L
ø10 ø32 Steel ø20 ø40 Steel
187
ø16 ø25 Carbide Reinf. 180 ø20 Carbide
ø10 ø32 Carbide
Negative rake type
SEXPR/L Min. bore diameter (mm)
ø5.5 ø7 Steel Type Style Page
5 10 20 30 40 50
181
ø5.5 ø7 Carbide PCLNR/L
TAC Boring Tools
ø20 ø63
SDUCR/L 189
Steel
ø13 ø32 Steel
ø16 ø25 Carbide Reinf. 182 PDUNR/L
ø25 ø63
ø13 ø25 Carbide 189
Steel
SVUCR/L
Steel ø32 ø50 PTFNR/L
183 ø40 ø63
191
P Steel
SDQCR/L
ø13 ø32 Steel
PTUNR/L
182 ø20 ø32 Steel
ø13 ø25 Carbide 191
SVQCR/L
S Steel ø32 ø50 PSKNR/L
184 ø40 ø63
Steel 190
STFPR/L
ø8 ø39 Steel PDZNR/L
185 ø40 ø60
ø8 ø31 Carbide Steel 190
STUPR/L
“Jet-Tools”
ø8 ø39 Steel PTUNR/L
ø40 Steel
ø16 ø24 Carbide Reinf. 186 179
ø8 ø31 Carbide
MCLNR/L
SWUBR ø32 Steel
ø6 ø7 Steel 192
181
ø6 ø7 Carbide
MWLNR/L
SSKPR/L Steel ø32 ø70
ø20 ø39 Steel 192
184
MDUNR/L
SDZCR/L M ø32 Steel
ø14 ø25 Steel 193
183
ø18 ø22 Carbide
MTFNR/L
STUPR/L ø32 Steel
ø24 ø31 Steel 194
“Jet-Tools”
ø16 ø24 Carbide Reinf. 179
MSKNR/L
ø8 ø20 Carbide ø32 Steel
193
Note: Shank material
: Steel shank
: Carbide reinforced shank
: Carbide shank
174 TAC Boring Tools
Types and Applications
Specifications
L X U Q F U K Z
95° 100° 93° 45° 90° 93° 75° 93°
Type
Rake angle
Rigidity
Oil hole
Carbide Reinforced Shank
SCLPR/L
Positive
(P.180)
SDUCR/L STUPR/L
2
S SCLCR/L
(P.182) (P.186)
TAC Boring Tools
(P.180)
Steel
SDUCR/L SDQCR/L STUPR/L
3
Positive
Screw on (P.182) (P.182) (P.186)
SCLCR/L SEXPR/L STFPR/L SSKPR/L SDZCR/L
Carbide
(P.180) (P.181) (P.185) (P.184) (P.183)
1 SVUCR/L SVQCR/L SWUBR/L
(P.183) (P.184) (P.181)
S
“Jet-Tools”
Steel
3
Positive
STUPR/L
Carbide
(P.186)
1
Screw on
C
Steel
3
Positive
CTFPR/L CSKPR/L
Carbide
(P.187) (P.187)
1
Clamp-on
P
Negative
Steel
3 PCLNR/L PDUNR/L PTFNR/L PTUNR/L PSKNR/L PDZNR/L
(P.189) (P.189) (P.191) (P.191) (P.190) (P.190)
Pin-lock
“Jet-Tools”
P
Negative
Steel
3 PTUNR/L
(P.191)
Pin-lock
M MCLNR/L
Negative
(P.192)
Steel
3 MDUNR/L MTFNR/L MSKNR/L
(P.193) (P.194) (P.193)
MWLNR/L
Multi-clamp (P.192)
Note:Rigidity 1 : excellent fair, 2: good
175
Clamping Mechanism and Features
Type Appearance Clamping mechanism Features Page
b Simple mechanism with a few parts.
S b Smart shape having no protrusions such
as screw heads or clams at holder head.
b Minimum bore diameter: 5.5 mm.
Screw-on
b Free cutting action due to positive rake. 180
type
b Cemented carbide shank is available for
suppressing chatter vibration.
b “T-Bar” shanks (reinforced with carbide
plates) are also stocked.
b Through-the-bar coolant allows cutting
S fluid to be fed directly to cutting point and
flush chips effectively.
b Carbide shank types (STUP type) are
“Jet-Tool”
available in 20 types ( 8 - 16 mm). 179
b Steel shank types (STUP type) are
available in 4 types ( 20 and 25 mm)
TAC Boring Tools
b Clamp-on type insert locking mechanism
C assures secure holding and accurate
indexing.
Clamp-on
b Without-hole insert provides stronger cutting-
edge strength than S-type tools and can 187
type
withstand heavier cutting conditions.
b Used for medium to large diameter boring. b
Minimum bore diameter is 16 mm.
b Negative rake, lever-lock type, round
P shank boring bars.
b As insert is positively held into two-wall
Lever-lock
pocket, excels in indexing accuracy.
189
type
b Minimum bore diameter: 40 mm.
b Similar to S-type "Jet-Tool", through-the-
P bar coolant allows cutting fluid to be fed
directly to cutting point and flush chips
“Jet-Tool”
effectively.
179
b Available in 2 types (PTUNR/L). All types
are steel shank.
b Combination of lock-pin and top clamp
M provides positive insert holding and
superior indexing accuracy.
Multi-clamp
b Suitable for medium to large diameter
192
type
boring.
b Minimum bore diameter: 32 mm
176 TAC Boring Tools
Nomenclature of TAC Boring Toolholder
P 80f Rhombic
D 55f Rhombic
K 55f Parallelogram
R Round
P C
TAC Boring Tools
S Square
(Clamp-on)
(Lever-lock)
T Triangular
M S
V 35f Rhombic
(Multi-clamp)
(Screw-on)
W Trigon
Clamping mechanism Insert shape
Example
S 25 R - M S
Bar composition Bar diameter Toolholder length (mm)
The diameter of the bar is F 80
S Steel shank shown in mm.
H 100
Carbide shank with K 125
C steel head M 150
Steel shank with P 170
R1
A oil hole Q 180
Carbide shank with R 200
E steel head and oil hole S 250
Steel shank reinforced T 300
T with carbide plates
U 350
Nomenclature for TAC Boring Toolholder 177
Symbol
Offset
Style S 45˚
With
91˚
G With C
With-
91˚
V out 7˚
With- 72.5˚
A out
90˚ 93˚
J With U With
93˚
B
B With- K 75˚ With X 100˚ With 5˚
75˚ out
*
90˚ 95˚
With- L
TAC Boring Tools
C With Y 80˚ With
out 95˚
N
D With- N With- Z With-
0˚
45˚ out 63˚ out 93˚ out
Note
E With- P With-
60˚ * mark: Tungaloy standard
out * 62.5˚ out
No mark: ISO standard P
F 91˚ With Q 45˚ With 11˚
*
Cutting edge style Relief angle of insert
K N R 12 C
Hand of tool Insert size Oil hole
For M, S and C types which
Symbol I.C. (mm) conform to ISO: With oil
L C hole
3 9.525
Left hand 4 12.70
S T C R
5 15.875
R R R R
6 19.05
R
8 25.40
Right hand
178 TAC Boring Tools
TAC Boring Tools, “Jet-Tool” Series (Negative / Positive Rake)
Bring Superior Cutting
Performance to Boring
Operations
Through-the-bar
coolant supply
Features
b Improved chip evacuation and surface finish Comparison of coolant flow
Cutting fluid can be fed directly to the cutting point without “Jet-Tool” Conventional boring bar Coolant
being obstructed by the work and produced chips.
This results in helping the chip evacuation and preventing
TAC Boring Tools
damage to the surface finish.
b Ensures reliable machining with less insert breakage
Chips are effectively flushed from the bore, preventing insert Coolant
breakage due to chip entangling. This allows the tools to
be used for boring near the minimum bore diameter and
deep holes.
Outline of “Jet-Tool” Series b Steel shank series
b Carbide shank series b Tool geometry: STUPR/L
b Tool geometry: STUPR/L b Minimum bore dia.: ø24 and 31 mm for STUPR/L
b Minimum bore dia.: ø8, 10, 12, 16 and 20 mm ø40 mm for PTUNR/L
b Length-to-diameter overhang ratio (L/D) ≤ 5 b Length-to-diameter overhang ratio (L/D) ≤ 3
b Cemented carbide shank suppresses chatter. b Suitable for medium to large diameter boring.
b Flattened shank top allows easy cutting edge b Available in both positive rake and negative rake types.
positioning and secure clamp. Negative rake type provides superior cutting edge strength.
Sleeve selection guide for Jet-Tools
Carbide shank When using the carbide shank type, use of the special sleeve (BLC-type)
designed for Jet-Tools in recommended.
BLC (Specifically used for Jet-Tools)
When using a sleeve of Ø32 mm or Ø40 mm
in mounting diameter, it can be directly
mounted on the toll post. Since the leakage
of cutting fluid is completely eliminated, Jet-
tool’s performance can be maximized.
BLM
When using a drill sleeve for through-tool
coolant delivery which is attached to the
machine or sold by machine tool manufactur-
ers, the BLM type sleeve is used as an
intervention between the drill sleeve and the
Jet-Tool.
BLS-C
This type of sleeve is used when the Jet-tool
is used on a conventional lathe or used with
square-shank type tool post.
Steel shank When using the steel shank type, use a drill sleeve (holder) for through-
tool coolant delivery sold by machine tool manufacturers.
Drill sleeve (holder) for through-tool
Coolant supply attachment (Attached) coolant delivery
b Mounting method
b Insert the Jet-TOOL into the special sleeve or drill sleeve
for through-tool coolant delivery.
b Mount them on the turret or the adapter (holder) on the
lathe side.
b When mounting the BLC type sleeve on the tool post,
make sure about the correspondence of the mounting
diameter. ( ø32 or ø40 mm)
Jet-Tools 179
Boring Toolholder
Stop boring b Carbide-shank series b Basic-choice chipbreaker
Precision Finishing to Finishing to Medium
Appl. finishing medium cutting medium cutting cutting
STUP R/L Min. bore-ø 5f
d1
Oil hole
d2
h
Type 01 W PS PM
Shape
dg7
d
f
(09, 11, 13) (09, 11, 13) (09, 11, 13) (11, 13)
R2
R1
Finishing to Precision Finishing to Finishing to
Appl. medium cutting finishing medium cutting medium cutting
Type SS PCBN/PCD -
-- W15
h
Shape
Right hand (R) shown (11, 13) (09, 11, 13) (09, 11, 13) (09, 11, 13)
Cutting
edge style U For details see pp. 110 - 118
Clamping Wrench
screw
Stock Min. Std. Dimensions (mm)
Shank Cat. No. Insert bore Nose
material øD R
R L d f R R h b d1 d2
TAC Boring Tools
1 2
E08K-STUPR/L07 b b 8 4 125 -- 7.5 -- 2.5 3.5
E08J-STUPR/L07 b TPGM0701 8 8 4 110 -- 7.5 -- 2.5 3.5
E08G-STUPR/L07 8 4 90 (50) 7.5 -- 2.5 3.5
CSTB-2.2S T-7F
E08K-STUPR/L09 b b 8 -- 125 -- 7.5 -- 2.5 3.5
E08J-STUPR/L09 b TP 0902 10 8 -- 110 -- 7.5 -- 2.5 3.5
Carbide
E08G-STUPR/L09 8 -- 90 -- 7.5 -- 2.5 3.5
0.4
E10K-STUPR/L11 10 -- 120 -- 9.5 -- 3 4
TP 1102 12 10 -- 100 -- 9.5 -- 3 4
E10H-STUPR/L11 b
CSTB-2.5 T-8F
E12L-STUPR/L11 12 -- 130 -- 11.5 -- 3.5 4.5
TP 1102 16 12 -- 110 -- 11.5 -- 3.5 4.5
E12J-STUPR/L11
E16M-STUPR/L13 b 16 -- 150 -- 15.5 -- 4 5
TP 1303 20 CSTB-3 T-9F
E16L-STUPR/L13 16 -- 130 -- 15.5 -- 4 5
Notes: b Toolholder lengths do not always conform to ISO.
Notes: b E08-STUPR/L type holder have stepped shank. Dimension in parenthesis shows length to be held sleeve.
Notes: b When using right or left hand insert, right hand holder use hand insert and left hand holder use right hand insert.
Turning b Steel-shank (Jet-Tool) series b Basic-choice chipbreaker
Oil hole
Min. bore-ø 5f Appl.
Precision Finishing Medium Finishing
d 1 d 2 finishing cutting
PTUN R/L Type SS
dg7
STUP R/L Shape
R1
R2
(16)
Precision Finishing to Finishing to Medium
Appl. finishing medium cutting medium cutting cutting
h
Type 01 W PS PM
A32S-PTUNR/L16 Coolant supply attachment
Shape
Coolant
Cutting Oil hole (13, 16) (13, 16) (13, 16) (13, 16)
edge style U Right hand (R) shown For details see pp. 110 - 118
Clamping Wrench Lever Spring Shim Coolant
screw att.
Stock Min. Std. Dimensions (mm)
Shank Cat. No. Insert bore Nose
material øD R
R L d f R1 R h b
2 d1 d2
A20R-STUPR/L13 TP 1303 24 0.4 20 -- 200 100 18 -- 5 10 CSTB-3 T-9F -- -- -- EA-20
Steel
A25S-STUPR/L16 TP 16T3 31 0.8 25 -- 250 130 23 -- 5 10 CSTB-4S T-15F -- -- -- EA-25
A32S-PTUNR/L16 TN 1604 40 0.8 32 -- 250 106 30 -- 5 16 LCS3 P2.5 LCS3 LSP3 LST317BR/L EA-32
Notes: b Toolholder lengths do not always conform to ISO.
b When using right or left hand insert, right hand holder use Reference Sleeves
left hand insert and left hand holder use right hand insert. guide P. 188
180 TAC Boring Tools
S-Type (Positive . Screw-on type)
Boring.Facing b Basic-choice chipbreaker
Finishing to Finishing to Medium
Appl. medium cutting Finishing medium cutting cutting
SCLC R/L Min. bore-ø h Type W PF PS PM
dg7
Shape
b
a
f
95f (06, 09) (06, 09) (06, 09) (06, 09)
R2
R1
αf Precision Finishing to
Appl. Aluminium
finishing medium cutting
Type PCBN/PCD -
-- AL
Shape
Right hand (R) shown (06, 09) (06, 09) (06, 09)
Cutting
edge style L For details see pp. 92 - 95
Clamping Wrench
screw
Stock Min. Std. Dimensions (mm)
Shank Cat. No. Insert bore Nose
material øD R
TAC Boring Tools
R L d f R R h b
1 2 f a
b b 16 0.4 12
Reinforcement
T12M-SCLCR/L06C CC 0602 9 150 22 11 -- 10f -- CSTB-2.5S T-8F
Carbide
T16Q-SCLCR/L09C b b 20 16 11 180 27 15 -- 10f --
CC 09T3 0.8 CSTB-4S T-15F
T20R-SCLCR/L09C b b 25 20 13 200 35 18 -- 8f --
C08K-SCLCR/L06 b b 10 8 5.5 125 21.5 7 -- 13f 6.0 CSTB-2.5S
C10M-SCLCR/L06 b b b CC 0602 13
0.4
10 7 150 -- 9 -- 12f 6.0
CSTB-2.5
T-8F
Carbide
C12Q-SCLCR/L06 b b 16 12 9 180 -- 11 -- 10f 6.0
C16R-SCLCR/L09 b b 20 16 11 200 -- 15 -- 10f 9.5
C20S-SCLCR/L09 b CC 09T3 25 0.8 20 13 250 -- 18 -- 8f 9.5 CSTB-4S T-15F
C25T-SCLCR/L09 32 25 17 300 -- 23 -- 6f 9.5
S08H-SCLCR/L06 b b 10 8 5.5 100 16 7 8 13f 6.0 CSTB2.5S
S10K-SCLCR/L06 b b b CC 0602 13
0.4
10 7 125 25 9 9.5 12f 6.0
CSTB2.5
T-8F
b b
Steel
S12M-SCLCR/L06 16 12 9 150 25 11 11.5 10f 6.0
S16Q-SCLCR/L09 b b 20 16 11 180 30 14 15.5 10f 9.5
S20R-SCLCR/L09 b b b CC 09T3 25 0.8 20 13 200 35 18 19 8f 9.5 CSTB-4S T-15F
S25S-SCLCR/L09 b b 32 25 17 250 40 23 24 6f 9.4
Notes: b The hole of insert conform to ISO standard.
Notes: b When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
Boring.Facing b Basic-choice chipbreaker
Finishing to Finishing to Medium
Appl. medium cutting Finishing medium cutting cutting
SCLP R/L Min. bore-ø h
Type W PF PS PM
dg7
Shape
b
a
(06, 09) (06, 09) (06, 09) (06, 09)
f
95f
R2
R1 Appl.
Precision Finishing to Aluminium
αf finishing medium cutting
Type PCBN/PCD -
-- AL
Shape
Right hand (R) shown (06, 09) (06, 09) (06, 09)
Cutting
edge style L For details see pp. 92 - 95
Clamping Wrench
screw
Stock Min. Std. Dimensions (mm)
Shank Cat. No. Insert bore Nose
material øD R
R L d f R1 R h b
2 f a
Reinforcement
T12M-SCLPR/L06C b b CP 0602 16 0.4 12 9 150 25 11 -- 4f -- CSTB-2.5S T-8F
Carbide
T16Q-SCLPR/L09C b b 20 16 11 180 27 15 -- 4f --
CP 0903 0.8 CSTB-4S T-15F
T20R-SCLPR/L09C b b 25 20 13 200 35 18 -- 2f --
Reference Sleeves
guide P. 188
S-Type (Positive.Screw-on Type) 181
Boring.Facing b Basic-choice chipbreaker
Finishing to
Appl. medium cutting
SEXP R/L Min. bore-ø h
Type W
Shape
ødg7
b
(04)
f
R2
α˚ 10˚ R1 Appl.
Type
Shape
Right hand (R) shown
Cutting
edge style X For details see p. 123
Clamping Wrench
Stock Min. Std. Dimensions (mm) screw
Shank Cat. No. Insert bore Nose
material øD R
TAC Boring Tools
R L d f R1 R h b
2 f a
C08K-SEXP R/L045 b b 5.5 8 2.75 125 28 7 -- 12f --
b
Carbide
C08K-SEXP R/L047 b b b 7.0 8 3.6 123 40 7 -- 12f --
EP 0401 0.4 CSTB-2 T-6F
S08H-SEXP R/L045 b b b 5.5 8 2.75 100 16 7 -- 12f --
Steel
S08H-SEXP R/L047 b b b 7.0 8 3.6 100 20 7 -- 12f --
Notes: b The hole of insert conform to ISO standard.
Notes: b When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
Boring.Facing b Basic-choice chipbreaker
Finishing to
Appl. medium cutting
SWUB R/L Min. bore-ø h
Type W
Shape
ødg7
f
(03)
R2
α˚ 3˚ R1 Appl.
Type
Shape
Cutting
edge style U For details see p. 119
Clamping Wrench
Min. Std. screw
Shank Stock Dimensions (mm)
Cat. No. Insert bore Nose
material øD R
R L d f R R h b
1 2 f a
C08K-SWUB R/L036 b 6 8 3.1 125 30 7 -- 12f --
b
Carbide
C08K-SWUB R/L037 b
b 7 8 3.6 125 40 7 -- 12f --
WB 0301 0.4 CSTB-2 T-6F
S08H-SWUB R/L036 b b
b 6 8 3.1 100 18 7 -- 12f --
Steel
b
S08H-SWUB R/L037 b b 7 8 3.6 100 20 7 -- 12f --
Notes: b The hole of insert conform to ISO standard.
Notes: b When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
Notes: b Clamping screw for left hand: CSTB-2ZI.
182 TAC Boring Tools
S-Type (Positive . Screw-on type)
b Basic-choice chipbreaker
Boring.Profiling Finishing to Finishing to Medium
Appl. medium cutting Finishing medium cutting cutting
SDUC R/L Min. bore-ø h
Type W PF PS PM
Shape
ødg7
b
(07, 11) (07, 11) (07, 11) (07, 11)
a
f
93˚
R2
R1 Precision Finishing to Finishing to
α˚ Appl. finishing medium cutting medium cutting Aluminium
Type PCBN/PCD J AL
Shape
Cutting Right hand (R) shown (07, 11) (07, 11) (07, 11) (07, 11)
edge style U For details see pp. 98 - 101
Clamping Wrench
Dimensions (mm) screw
Shank Stock Min. Std.
Cat. No. Insert bore Nose
material øD R
TAC Boring Tools
R L d f R R h b
1 2 f a
Reinforcement
T12M-SDUCR/L07C b b 16 12 9 150 25 11 -- 8f --
Carbide
DC 0702 0.4 CSTB-2.5 T-8F
T16Q-SDUCR/L07C b b 20 16 11 180 30 15 -- 6f --
T20R-SDUCR/L11C b b DC 11T3 25 0.4 20 13 200 35 18 -- 8f -- CSTB-4S T-15F
C10M-SDUCR/L07 b b 13 10 7 150 24 9 -- 10f 7.0
Carbide
C12Q-SDUCR/L07 b b DC 0702 16 12 9 180 -- 11 12 8f 7.0 CSTB-2.5 T-8F
C16R-SDUCR/L07 b 20 16 11 200 -- 15 16 6f 7.0
C20S-SDUCR/L11 DC 11T3 25 20 13 250 -- 18 -- 8f 10.5 CSTB-4S T-15F
0.4
S10K-SDUCR/L07 b b 13 10 7 125 25 9 10 10f 7.0
S12M-SDUCR/L07 b b DC 0702 16 12 9 150 25 11 11.5 8f 7.0 CSTB-2.5 T-8F
Steel
S16Q-SDUCR/L07 b b 20 16 11 180 30 15 15.5 6f 7.0
S20R-SDUCR/L11 b b 25 20 13 200 35 18 18.5 8f 10.5 CSTB-4S
DC 11T3 T-15F
S25S-SDUCR/L11 b b 32 25 17 250 40 23 24 4f 10.5 CSTB-4
Notes: b The hole of insert conform to ISO standard.
Notes: b When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
b Basic-choice chipbreaker
Boring.Profiling Finishing to Finishing to Medium
Appl. medium cutting Finishing medium cutting cutting
SDQC R/L Min. bore-ø
h
Type W PF PS PM
Shape
dg7
(07, 11) (07, 11) (07, 11) (07, 11)
b
a
f
R
107.5f
2 Precision Finishing to Finishing to
Appl. Aluminium
αf R1 finishing medium cutting medium cutting
Type PCBN/PCD J AL
Shape
Cutting Right hand (R) shown (07, 11) (07, 11) (07, 11) (07, 11)
edge style Q For details see pp. 98 - 101
Clamping
screw Wrench
Shank Stock Min. Std. Dimensions (mm)
Cat. No. Insert bore Nose
material øD R
R L d f R R h b
1 2 f a
C10M-SDQCR/L07 b b 13 10 7 150 -- 9 -- 10f 7.8
Carbide
C12Q-SDQCR/L07 b b DC 0702 16 0.4 12 9 180 -- 11 -- 7f 7.8 CSTB-2.5 T-8F
C16R-SDQCR/L07 20 16 11 200 -- 15 -- 6f 7.8
C20S-SDQCR/L11 DC 11T3 25 0.4 20 13 250 -- 18 -- 6f 10.6 CSTB-4M T-15F
S10K-SDQCR/L07 b b 13 10 7 125 25 9 10 10f 7.8
S12M-SDQCR/L07 b b DC 0702 16 0.4 12 9 150 25 11 11.5 7f 7.8 CSTB-2.5 T-8F
Steel
S16Q-SDQCR/L07 b b 20 16 11 180 30 15 15.5 6f 7.8
S20R-SDQCR/L11 b b 25 20 13 200 35 18 19 6f 10.6 CSTB-4M T-15F
DC 11T3 0.4
S25S-SDQCR/L11 b b 32 25 17 250 40 23 24 4f 10.6 CSTB-4 T-15F
Notes: b The hole of insert conform to ISO standard.
Notes: b When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
S-Type (Positive.Screw-on Type) 183
b Basic-choice chipbreaker
Retract boring Finishing to Finishing to Medium
Appl. medium cutting Finishing medium cutting cutting
SDZC R/L Min. bore-ø h
Type W PF PS PM
Shape
dg7
b
(07, 11) (07, 11) (07, 11) (07, 11)
f
f1
R 93f R
3 2 Precision Finishing to Finishing to Aluminium
R1
Appl. finishing medium cutting medium cutting
αf
Type PCBN / PCD J AL
Shape
Cutting Right hand (R) shown (07, 11) (07, 11) (07, 11) (07, 11)
edge style Z For details see pp. 98 - 101
Clamping
screw Wrench
Stock Min. Std. Dimensions (mm)
Shank Cat. No. Insert bore Nose
material øD R
TAC Boring Tools
R L d f R R R h
1 2 3 b f f1
C12Q-SDZCR/L07 18 12 10.5 180 -- 12.5 11 -- 8f --
Carbide
b
C16R-SDZCR/L07 22 16 12.5 200 -- 12.5 15 -- 6f --
DC 0702 0.4 CSTB-2.5 T-8F
S12M-SDZCR/L07 b b 14 12 10.5 150 32.5 12.5 11 11.5 9f 5
S16Q-SDZCR/L07 b 16 16 12.5 180 37.5 12.5 15 15.5 8f 5
Steel
b
S20R-SDZCR/L11 b 20 20 15.5 200 40 14.4 18 19 8f 6.5 CSTB-4S T-15F
DC 11T3 0.4
S25S-SDZCR/L11 b 25 25 18 250 50 14.4 23 24 6f 6.5 CSTB-4M T-15F
Notes: b The hole of insert conform to ISO standard.
Notes: b When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
Boring.Profiling b Basic-choice chipbreaker
Finishing to Medium Aluminium
Appl. medium cutting cutting
SVUC R/L Min. bore-ø h
Type PS 24 AL
Shape
ød g7
b
(16) (16) (16)
a
f
R2
93˚
α˚ R1 Appl.
Type
Shape
Cutting Right hand (R) shown
edge style U For details see p. 121
Clamping Wrench Shim Shim Wrench
Min. Std. screw screw
Shank Stock Dimensions (mm)
Cat. No. Insert bore Nose
material øD R
R L d f R R h b
1 2 f a
S25S-SVUCR/L16 b b 32 25 19 250 40 23 24 5f --- CSTB-3.5L T-15F --- --- ---
Steel
S32T-SVUCR/L16 b VC 1604 40 0.8 32 22 300 50 30 31 3f ---
CSTB-3.5L T-15F SSV32 DTS-3.5 P-3.5
S40U-SVUCR/L16 50 40 27 350 60 37 38.5 1f ---
Notes: b The hole of insert conform to ISO standard.
Notes: b When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
184 TAC Boring Tools
S-Type (Positive . Screw-on type)
Boring.Profiling b Basic-choice chipbreaker
Finishing to Medium Aluminium
Appl. medium cutting cutting
SVQC R/L Min. bore-ø
h
Type PS 24 AL
Shape
ødg7
d
(16) (16) (16)
f
117.5˚
R2
α˚ R1 Appl.
Type
Shape
Cutting Right hand (R) shown
edge style Q For details see p. 121
Clamping Wrench Shim Shim Wrench
screw screw
Shank Stock Min. Std. Dimensions (mm)
Cat. No. Insert bore Nose
material øD R
TAC Boring Tools
R L d f R R h b
1 2 f a
S25S-SVQCR/L16 b 32 25 19 250 40 23 24 5f --- CSTB-3.5L T-15F --- --- ---
Steel
S32T-SVQCR/L16 VC T1604 40 0.8 32 22 300 50 30 31 3f ---
CSTB-3.5L T-15F SSV32 DTS5-3.5 P-3.5
S40U-SVQCR/L16 50 40 27 350 60 37 38.5 1f ---
Notes: b The hole of insert conform to ISO standard.
Notes: b When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
Through boring b Basic-choice chipbreaker
Finishing to Medium
Appl. medium cutting cutting
SSKP R/L Min. bore-ø h
Type PS 24
ødg7
Shape
b
a
f
(09, 12) (09, 12)
R2
75˚
R1
α˚ Appl.
5˚
Type
Shape
Right hand (R) shown
Cutting
edge style K For details see p. 103
Clamping Wrench
Stock Min. Std. Dimensions (mm) screw
Shank Cat. No. Insert bore Nose
material øD R
R L d f R R h
1 2 b f a
S16Q-SSKPR/L09 20 16 11 180 30 15 15.5 6f 8.2
b
SP 0903 CSTB-4S T-15F
S20R-SSKPR/L09 b 24 20 13 200 40 18 19 2f 8.2
Steel
0.8
S25S-SSKPR/L12 b 31 25 17 250 45 23 24 2f 11.3
SP 1204 CSTB-5 T-20F
S32T-SSKPR/L12 b 39 32 22 300 50 30 31 0f 11.3
Notes: b The hole of insert conform to ISO standard.
Notes: b When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
S-Type (Positive.Screw-on Type) 185
Stop boring Min. bore-ø h
b Basic-choice chipbreaker
Precision Finishing to Finishing to
Appl. finishing medium cutting Finishing medium cutting
STFP R/L
ødg7
01 W PF PS
b
Type
a
f
R2
91˚
α˚ R1 Shape
5˚
ø7.0
C08K-STFPR/L07 (09, 11, 13, 16) (09, 11, 13, 16) (11, 13, 16) (09, 11, 13, 16)
ødg7
Medium Finishing to Precision Finishing to
Appl. cutting medium cutting finishing medium cutting
a
f
R2 PM SS PCBN/PCD -
--
90˚
h Type
R1
Shape
Right hand (R) shown (11, 13, 16) (11, 13, 16) (09, 11, 13, 16) (09, 11, 13, 16)
Cutting
edge style F Appl. Aluminium
Type AL
PM
Shape
TAC Boring Tools
(11, 16)
For details see pp. 110 - 115
Dimensions (mm) Clamping Wrench
Shank Stock Min. Std. screw
Cat. No. Insert bore Nose
material R L øD R d f R R h b
1 2 f a
C08K-STFPR/L07 b b TPGM0701 L/R 8 8 4 125 45 7 - 10f 6.5
-
CSTB-2.2S T-7F
C08K-STFPR/L09 b b b TP 0902 10 -
8 5.5 125 - 7 -
- 8f 8.5
C10M-STFPR/L11 b b 12 -
10 6.5 150 - 9 -
- 6f 10
Carbide
TP 1102 CSTB-2.5 T-8F
C12Q-STFPR/L11 b 16 0.4 -
12 9 180 - 11 -
- 4f 10
b
C16R-STFPR/L13 TP 1303 20 16 11 200 - 15
- -
- 3f 12.7
CSTB-3 T-9F
C20S-STFPR/L13 24 -
20 13 250 - 18 -
- 2f 12.7
C25T-STFPR/L16 TP 16T3 31 0.8 -
25 17 300 - 23 -
- 0f 14.5 CSTB-4S T-15F
b
S08H-STFPR/L07 b b TPGM0701 L/R 8 8 4 100 20 7 8 10f 6.5
CSTB-2.2S T-7F
S08H-STFPR/L09 b b TP 0902 10 8 5.5 100 16 7 8 8f 8.5
S10K-STFPR/L11 b b b TP 1102 12 10 6.5 125 20 9 10 6f 10
CSTB-2.5 T-8F
S12M-STFPR/L11 b b 16 0.4 12 9 150 24 11 12 4f 10
Steel
S16Q-STFPR/L13 b b TP 1303 20 16 11 180 30 15 15.5 3f 12.7
CSTB-3 T-9F
S20R-STFPR/L13 b b 24 20 13 200 40 18 19 2f 12.7
S25S-STFPR/L16 TP 16T3 31 0.8 25 17 250 45 23 24 0f 14.5
CSTB-4S T-15F
S32T-STFPR/L16 39 32 22 300 50 30 31 0f 14.5
186 TAC Boring Tools
S-Type (Positive . Screw-on type)
Stop boring b Basic-choice chipbreaker
Appl. Precision Finishing to Finishing Finishing to
finishing medium cutting medium cutting
STUP R/L Min. bore-ø 5¡ h
Type 01 W PF PS
Shape
fldg7
b
(09, 11, 13, 16) (09, 11, 13, 16) (11, 13, 16) (09, 11, 13, 16)
a
f
R2
R1 Medium Finishing to Precision Finishing to
Appl. cutting medium cutting finishing medium cutting
α… Type PM SS PCBN/PCD -
--
5…
Shape
Right hand (R) shown (11, 13, 16) (11, 13, 16) (09, 11, 13, 16) (09, 11, 13, 16)
Cutting
edge style U Appl. Aluminium
Type AL
PM
TAC Boring Tools
Shape
(11, 16)
For details see pp. 110 - 115
Shank Stock Min. Std. Dimensions (mm) Clamping Wrench
screw
Cat. No. Insert bore Nose
material R L øD R d f R1 R R h b
2 3 f a
Reinforcement
T12M-STUPR/L11C b b TP 1102 16 0.4 12 9 150 24 59 11 - - 4f - CSTB-2.5S T-8F
-
Carbide
T16Q-STUPR/L13C b b 20 16 11 180 30 59 15 -
- -
4f -
TP 1303 0.4 CSTB-3 T-9F
T20R-STUPR/L13C b b 24 20 13 200 40 49 18 -
- -
2f -
C08K-STUPR/L07 b b TPGM0701 L/R 8 8 4 125 45 -
- 7 - 10f 6.5
-
CSTB-2.2S T-7F
C08K-STUPR/L09 b b TP 0902 10 8 5.5 125 -
- -
- 7 -
- 8f 8.5
C10M-STUPR/L11 b b 12 10 6.5 150 -
- -
- 9 -
- 6f 10
Carbide
TP 1102 CSTB-2.5 T-8F
C12Q-STUPR/L11 b b 16 0.4 -
12 9 180 - -
- 11 -
- 4f 10
C16R-STUPR/L13 b b TP 1303 20 -
16 11 200 - -
- 15 -
- 3f 12.7
CSTB-3 T-9F
C20S-STUPR/L13 24 -
20 13 250 - -
- 18 -
- 2f 12.7
C25T-STUPR/L16 TP 16T3 31 0.8 -
25 17 300 - -
- 23 -
- 0f 14.5 CSTB-4S T-15F
S08H-STUPR/L07 b b TPGM0701 L/R 8 8 4 100 21 -
- 7 8 10f 6.5
CSTB-2.2S T-7F
S08H-STUPR/L09 b b TP 0902 10 8 5.5 100 16 -
- 7 8 8f 8.5
S10K-STUPR/L11 b b TP 1102 12 10 6.5 125 20 -
- 9 10 6f 10
CSTB-2.5 T-8F
b b
Steel
S12M-STUPR/L11 16 0.4 12 9 150 24 -
- 11 11.5 4f 10
S16Q-STUPR/L13 b b TP 1303 20 16 11 180 30 -
- 15 15.5 3f 12.7
CSTB-3 T-9F
S20R-STUPR/L13 b b 24 20 13 200 40 -
- 18 19 2f 12.7
S25S-STUPR/L16 b b TP 16T3 31 0.8 25 17 250 45 -
- 23 24 0f 14.5
CSTB-4S T-15F
S32T-STUPR/L16 b 39 32 22 300 50 -
- 30 31 0f 14.5
Notes: b The hole of insert conform to ISO standard.
Notes: b When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
Reference Sleeves
guide P. 188
C-Type (Positive.Screw-on Type) 187
C-Type (Positive . Screw-on type)
Through boring b Basic-choice chipbreaker
Appl. Medium Precision Finishing to
cutting finishing medium cutting
CSKP R/L Min. bore-ø h
Type 23 PCBN/PCD -
--
Shape
ød g7
b
(09, 12) (09, 12) (09, 12)
a
f
75˚ R2
R1 Appl.
α˚
Type
5˚
Shape
Cutting Right hand (R) shown
edge style K For details see pp. 104 - 106
Shank Stock Min. Std. Dimensions (mm) Parts
Cat. No. Insert bore Nose
material R L d f R1 R h b f a Clamping Wrench Shim Shim
TAC Boring Tools
øD R 2
set screw
Carbide
C16R-CSKPR/L09 20 16 11 200 --- 14 --- 4f 8.2 CSG-5S P-2.5 --- ---
S16Q-CSKPR/L09 SP 0903 20 16 11 180 30 14 15 4f 8.2 CSG-5S P-2.5 --- ---
S20R-CSKPR/L09 25 0.8 20 13 200 40 18 18.5 2f 8.2 CSG-5 P-2.5 --- ---
Steel
S25S-CSKPR/L12 32 25 17 250 45 23 22.5 0f 11.3 CSG-6 P-3 --- ---
SP 1203
S32T-CSKPR/L12 40 32 22 300 50 30 29.5 0f 11.3 CSG-6 P-3 PAS-42 SM3i0.5i6
Note: When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
Stop boring b Basic-choice chipbreaker
Appl. Medium Precision Finishing to
cutting finishing medium cutting
CTFP R/L Min. bore-ø h
Type 24 PCBN/PCD -
--
Shape
ød g7
b
(11, 16) (11, 16) (11, 16)
a
f
90˚ R2
α˚ R1 Appl.
Type
5˚
Shape
Right hand (R) shown
Cutting
edge style F For details see pp. 116 - 118
Stock Min. Std. Dimensions (mm) Parts
Shank Cat. No. bore Nose
Insert
material R L øD R d f R1 R h b f a Clamping Wrench
2
set Shim Shim
screw
Carbide
C12Q-CTFPR/L11 b 16 12 9 180 --- 11 --- 6f 10 CSW-00 P-2.5 --- ---
C16R-CTFPR/L11 20 16 11 200 --- 15 --- 4f 10 CSG-5S P-2.5 --- ---
TP 1103 0.4
S12M-CTFPR/L11 b b 16 12 9 150 25 11 11.5 6f 10 CSW-00 P-2.5 --- ---
S16Q-CTFPR/L11 b b 20 16 11 180 30 14 15 4f 10 CSG-5S P-2.5 --- ---
Steel
S20R-CTFPR/L16 b b 25 20 13 200 40 18 18.5 2f 14.5 CSG-6S P-3 --- ---
S25S-CTFPR/L16 b TP 1603 32 0.8 25 17 250 45 23 22.5 0f 14.5 CSG-6 P-3 --- ---
S32T-CTFPR/L16 40 32 22 300 50 30 29.5 0f 14.5 CSG-6 P-3 PAT-32 SM3i0.5i6
Note: When using right or left hand insert, right hand holder use left hand insert and left hand holder use right hand insert.
188 TAC Boring Tools
b Parts for positive-rake C-type toolholder when using
chipbreaker piece
Clamping Chipbreaker
Toolholder Cat. No. Shape set piece
C12Q.S12M-CTFPR/L11 --- -
--
C16R.S16Q-CTFPR/L11 CSG-5 CBT-2M, (S)
S20R-CTFPR/L16 CSG-5 CBT-3M, (S, L)
S25S-CTFPR/L16 CSG-6 CBT-3M, (S, L)
S32T-CTFPR/L16 CSG-6 CBT-3M, (S, L)
C16R.S16Q-CSKPR/L09 CSG-5 CBS-3M, (S, L)
S20R-CSKPR/L09 CSG-5 CBS-3M, (S, L)
S25S-CSKPR/L12 CSG-6 CBS-4M, (S, L)
S32T-CSKPR/L12 CSG-6 CBS-4M, (S, L)
When using chipbreaker piece, order above optional parts separately.
Sleeves
(For JET-TOOL, S-type and C-type boring bars having shank dias. of 8, 10, 12 and 16 mm)
BLS Cat. No. Stock
Applicable shank Dimensions (mm)
dia. D (mm)
R
(Square shank) R h b
TAC Boring Tools
14(10)
BLS16-08 8 125 28 12.5
25
BLS16-10 10 125 28 12.5
BLS16-12 12 125 28 12.5 4-M6(3-M6)
b
45
D
h
16
Above drawing shows BLS 16-08 type
BLS-C Cat. No. Stock
Applicable shank Dimensions (mm)
dia. D(mm)
R
(Square shank) R h b 50
BLS16-08C 8 100 28 12.5 40 30
10
BLS16-10C 10 100 28 12.5
BLS16-12C 12 100 28 12.5
25
b
4-M6
øD
h
16
R3/8
Applicable shank Dimensions (mm)
BLM Cat. No. Stock dia. D(mm) d R b h
flD 3-M5 × 0.8
(Round shank)
BLM20-08 8 20 100 19 18
b
fld
BLM25-08C 8 25 55 24 23
BLM25-10C 10 25 55 24 23 h R
BLM25-12C 12 25 55 24 23
BLC Cat. No. Stock
Applicable Dimensions
shank
Applicable Standard type
R2 R1
(Used only for dia. D(mm) R R 1 2 toolholder
JET-TOOLS BLC40-8 8 73 13 E08 -STUPR/L07(09)
Round shank) BLC40-10 8 73 13 E10 -STUPR/L11
D
d
BLC40-12 10 73 13 E12 -STUPR/L11
BLC40-16 12 73 13 E16 -STUPR/L13
L/D ( lenght-to-diameter) ratios are adjustable between 3/1 and 5/1.
Applicable Dimensions Applicable Short type
Cat. No. Stock shank Copper
dia. D(mm) dR R
1 2 toolholder
R2 R1
BLC32-8C 8 E09 -STUPR/L07(09)
BLC32-10C 10 32 45 20 E10 -STUPR/L11
D
d
BLC32-12C 12 E12 -STUPR/L11
BLC40-8C 8 E08 -STUPR/L07(09)
BLC40-10C 10 E10 -STUPR/L11
40 55 13
BLC40-12C 12 E12 -STUPR/11
BLC40-16C 16 E16 -STUPR/L13
