●● mark: Standard stocked item ● mark: To be replaced by a new item featured on the same page ▲ mark: To be replaced by new item (Please confirm stock availability) * mark: Semi-standard stock (Please confirm stock availability) ○○ mark: Stock or planned stock (Please confirm stock availability) No mark: Made-to-order item - mark: We cannot produce Stock Indications and Symbols E1 SEC-Boring Tool Series ……………………………………………… E2 Boring Tools Identification Table …………………………………… E4 Boring Bar Selection Guide…………………………………………… E5 Multi-functional Autolathe Tool, Twin Head Holder ……………… E10 Minimal Boring SEC-Mini Boring Tool Solid Carbide Bar SUMIDIA Small Hole Boring Bars CKB Type ………………………………………………………………… E12 BXBR Type ……………………………………………………………… E16 DABB Type ……………………………………………………………… E17 Stop Boring SUMIBORON Small Hole Boring Bars SEC-Boring Bar BSME Type ……………………………………………………………… E18 SEXC Type ……………………………………………………………… E19 BNBX Type / BNB Type ………………………………………………… E20 S-SWUB Type / C-SWUB Type ………………………………………… E21 S-SWUP Type …………………………………………………………… E23 S-STUP Type / S-STUB Type / B-STUP Type ……………………… E24 D-STUP Type / C-STUP Type / C-STUB Type ……………………… E25 E-STUP Type …………………………………………………………… E26 S-CTFP Type …………………………………………………………… E31 S-PTFN Type / B-PTFN Type ………………………………………… E33 S-DTFN Type / D-DTFN Type ………………………………………… E34 S-ETFN Type …………………………………………………………… E35 Bottom Facing SUMIBORON Small Hole Boring Bars SEC-Boring Bar BNZ Type ………………………………………………………………… E35 S-SCLC Type / B-SCLC Type ………………………………………… E36 C-SCLC Type / E-SCLC Type ………………………………………… E37 S-SCLP Type / B-SCLP Type / D-SCLP Type ……………………… E42 C-SCLP Type …………………………………………………………… E43 S-DCLN Type / D-DCLN Type ………………………………………… E45 S-PCLN Type / B-PCLN Type ………………………………………… E46 S-ECLN Type / D-DWLN Type ………………………………………… E47 S-DWLN Type / S-PWLN Type …………………………………… E48 Copying SEC-Boring Bar T-REX Tool Holders Tool Holders for Aluminium Wheel Turning S-SDUC Type / B-SDUC Type / C-SDUC Type ……………………… E49 S-SDQC Type / B-SDQC Type ………………………………………… E50 S-SDZC Type …………………………………………………………… E51 S-SVJB Type / B-SVJB Type / S-SVJC Type ………………………… E55 S-SVQB Type / B-SVQB Type / C-SVQB Type ……………………… E56 S-SVQC Type / S-SVUB Type …………………………………… E57 B-SVUB Type / C-SVUB Type / S-SVUC Type ……………………… E58 S-SVZB Type / B-SVZB Type / C-SVZB Type ……………………… E59 S-SVZC Type …………………………………………………………… E60 S-DDQN Type / S-DDUN Type / D-DDUN Type ………………… E65 S-PDUN Type / S-EDUN Type ………………………………………… E66 S-PDZN Type / S-EDZN Type ………………………………………… E67 S-DTR55C Type ………………………………………………………… E67 MV Type / GD Type …………………………………………… (C34, C35) Through Boring SEC-Boring Bar S-SWUB Type / C-SWUB Type ………………………………………… E68 S-SWUP Type …………………………………………………………… E70 S-SSKP Type / C-SSKP Type ………………………………………… E71 S-SSKC Type …………………………………………………………… E72 S-CSKP Type …………………………………………………………… E73 S-DSKN Type / S-PSKN Type ………………………………………… E75 S-PSYN Type / S-ESKN Type / S-ESYN Type ……………………… E76 Double Clamp Tool Holders Clamp Set Parts ………………………………………………………… E77 E Boring Bars E1 to E77 E Boring Bars E
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●● mark: Standard stocked item
● mark: To be replaced by a new item featured on the same page
6 8 10 12 13 14 16 18 20 22 25 28 32 34 35 40 44 50 54 63 70Products in [ ] indicate the previous name of the series
H H
E8
E
Bor
ing
Bar
s
■ General Feature
Following the 1976 launch of the popular industry-leading SEC-Small Diameter Boring Bars in steel/carbide shank, the SumiTurn X-Bar series, equipped with an anti-vibration mechanism, was added to the product range.The SEC-Boring Bar series further promotes the optimization of the insert grades and chipbreakers.
D Wide series selection for various boring operations.
Stop boring / Bottom facing / Through boring / Copying
D Minimum bore diameters of CKB type from ø1 mm and C-SCLC type from ø5 mm
D New anti-vibration boring bars, SumiTurn X-Bar.
D Short carbide shank types C16M-STUP and C20M-STUP, for use on turret lathes.
D Wide selection of grades and chipbreakers available for various processes and work materials.
D High anti-vibration capabilities for effective rough boring of deep holes.
D Achieving low cost boring of large diameters and deep holes, ø32 mm shank is available.
D Excellent chip control with double chip pockets.
D Bars with internal coolant hole are also available.
D Negative insert holders (shank diameter ø 25 to ø 40 mm) are now stocked.
SEC-
Boring Tools Series
■ Shank Material Selection
Steel ShankSteel Shank with Anti-Vibration Mechanism Carbide Shank
General
Steel
Shallow hole
(L/D < 3)G
(More economical)S
(High speed cutting)
Deep hole
(L/D > 3)G
(More economical) G
High efficiency boring by wiper insert S GHardened Steel Q GHigh precision boring G
G1st Recommendation S2nd Recommendation
Do not clamp or cut offlabel-affixed portion.
Clamping a shank on the portion labeled with
may affect usage. (Due to built-in
anti-vibration mechanism) Thus, minimum tool
overhang should be 3.5D (3.5x shank dia).
Precautions for Clamping Position on Steel Shank with Anti-Vibration Mechanism
ApplicationType
E9
E
Boring B
arsSEC-
Boring Tools Series
G第1推奨 S第2推奨
25201612108 32 40 500
1
2
3
4
5
6
7
8
Shank Diameter (mm)
Carbide Shank
X-Bar(Positive Insert)
Steel Shank
X-Bar(Negative Insert)
●Deep hole drilling of L/D=6 with work diameters of ø32 mm and above.●Negative inserts reduce unit price per corner.●Combinable with a wide range of chipbreakers
for use in everything from rough cutting to finishing.
Cutting Speed vc =20 to 200m/min
Depth-of-cut ap=0.1 to 2.0mm
Feed Rate f =0.1 to 0.3mm/rev
* Actual amount of overhang may differ
according to work material, tool
shape, and machining conditions.
To
ol ove
rha
ng
(L
/D)
0 50 100 150
0.02
0.04
0.06
Cutting Time(min)
Ext.Coolant
Dry
Int. Coolant
Work: SCM435 Insert: FX Breaker (AC510U)Cond: vc=150m/min,f=0.1mm/rev,ap=0.3mm
Fla
nk W
ear(
mm
)
Gen
eral
Ste
el
Stai
nles
sSt
eel
Hard
ened
Stee
l
Non-F
errou
sMe
tal
PIM
Heat
Resis
tiveAll
oys
Cas
t Ir
on
High Precision Finish-Light Cut Medium Cut
Application Range Work Material
Tool Material
Coated(Carbide)
CermetCoated Cermet
Uncoated Carbide
CBNSUMIBORON
PCDSUMIDIA
CVD
PVD
SP M K NH
AC810P
AC830PAC820P
AC6030M
DA150DA1000
BN7500BN7000
BNC2020BNC2010
BN2000BN1000
AC420KAC415K
AC405K
ACZ150AC510U
AC520UAC530U
AC6040M
T1000AT1500A/T1500Z
T3000Z
G10E
GGGS
GGGG
GGG
SSG
GGGSG
SSS
S
GGG
SSS
GSS
G
G
GGS
S
GGGG
S
S
SS
S
GG
S
S
SG
G1st Recommendation S2nd Recommendation
0.2 0.40
2
4
SI
FC
SC
Feed Rate (mm/rev)
D.O
.C. (
mm
)
0.2 0.40
2
4
FX SDW
FY
SD
W
Feed Rate (mm/rev)
D.O
.C. (
mm
)
0.2 0.40
SU
2
4
SF
US
MU
Feed Rate (mm/rev)
D.O
.C. (
mm
)
0.2 0.40
2
4
FK
LUW
LU
Feed Rate (mm/rev)
D.O
.C. (
mm
)
■ Grade Recommendations
■ Chipbreaker Recommendations
■ Application Range by Shank Type ■ Wear Comparison by
Coolant Supply Method
D M-Class Finish-Light Cut D M-Class Light-Medium Cut D G-Class Ground Type D G-Class Breaker