Boring Bars D-DTFN Type / B-PTFN Type
Steel with Anti-Vibration Mechanism
Medium Diameter General-purpose Double Clamp
91°
Coolant Hole
D-DTFN Stop Boring
DCON
Fig 1
DMIN Min. Bore Dia. With oil hole
91°
H
LF
GAMF
-6°
LHD
Figure shows right-hand (R) tool.
E
Holder
Parts
Dimensions ( mm )
Shim Screw
Upper Surface Wrench
Lower Surface Wrench
Cutting Edge Distance
Stock Min. Bore Dia.
Applicable Insert
Clamp Set
Shim
Overall Length
Rake Angle
Diameter Height
Head
C
Cat. No.
Fig
R L
Cat. No.
N m
DMIN DCON H LF WF LHD GAMF
(For Hex Socket) (For Hex Socket)
« « 32 25 23 300 17 21 -12° « « 40 32 30 300 22 26 -10° « « 50 40 37 350 27 26 -10°
D25T-DTFN R/L1604-32 D32T-DTFN R/L1604-40 D40U-DTFN R/L1604-50
TNS1603B
1 1 1
Steel with Anti- Vibration Mechanism with Oil Hole
TN □□ 33 □
SCP-1 5.0
BFTX0307N LH040 LH025
B56
D
TNS1604B
Right-handed (R) tool holders are compatible with left-handed (L) or neutral (N) inserts. Left-handed (L) tool holders are compatible with right-handed (R) or neutral (N) inserts.
C63
Clamp Set Parts
R
For Medium Diameter General-purpose Lever Lock
Steel with Anti-Vibration Mechanism
91°
S
B-PTFN Stop Boring
DMIN Min. Bore Dia.
Fig 1
DCON
91°
H
T
LF
GAMF
-6°
LHD
Figure shows right-hand (R) tool.
V
Holder
Parts
Dimensions ( mm )
Lever Pin
Shim Pin
Cutting Edge Distance
Stock Min. Bore Dia.
Applicable Insert
Bolt
Shim
Wrench
Overall Length
Rake Angle
Diameter Height
Head
W
Cat. No.
Fig
R L
Cat. No.
DMIN DCON H LF WF LHD GAMF
(For Hex Socket)
« « «
B25T-PTFN R/L1604-32 B32U-PTFN R/L1604-40 B40W-PTFN R/L1604-50
32 40 50
25 23 300 16 21 -12° 32 30 350 20 21 -10° 40 37 450 25 21 -10°
1 LCL3 LCS3 LST317CA LSP3 LH025 1
Steel with Anti-Vibration Mechanism
TN □□ 33 □
B56
1
Right-handed (R) tool holders are compatible with left-handed (L) or neutral (N) inserts. Left-handed (L) tool holders are compatible with right-handed (R) or neutral (N) inserts.
Applicable Inserts S-DTFN / D-DTFN / S-PTFN / B-PTFN / S-ETFN Type
Name of Chipbreaker/ CBN/PCD Photo
EGU
● Refer as well to the Insert Selection Guide (page A10 on). ● Some combinations need to be made to order or cannot be manufactured.
1st Recommended Insert
AC8025P
Grade
P (Steel) N (Non-ferrous) H (Hardened Steel) Finishing Medium Cutting Roughing Finishing Medium Cutting Roughing High-speed Finishing Finishing to Medium Cutting Medium to Roughing Finishing Medium Cutting Roughing — Coated Uncoated M (Stainless Steel) K (Cast Iron) S (Exotic Alloy)
Cutting Range
Process
SUMIDIA
SUMIBORON
SUMIBORON
SUMIBORON
EGU
EMU
EEG
EEM
EUZ
EGZ
EEF
EEG
EEM
EFE
EEF
Continuous Cutting
T1500Z
AC8015P
AC8025P
AC6020M
AC6020M
AC6030M
BN7000/BNC500 SUMIBORON
AC4010K
AC4010K
AC5015S
AC5015S
AC5015S
DA1000 SUMIDIA
BNC2010 SUMIBORON
BN1000 SUMIBORON
ESU
EGU
EMU
EEG
EEM
EGZ
EGZ
EEF
EEG
EEM
EEF
General Cutting
AC8015P
AC8025P
AC8025P
AC6030M
AC6030M
AC6040M
BN7000/BNC500 SUMIBORON
AC4015K
AC4015K
AC5015S
AC5015S
AC5025S
DA1000 SUMIDIA
BNC2020 SUMIBORON
BN2000 SUMIBORON
EUX
EEG
EGZ
EGZ
EEF
EEG
EEM
EEM
ESX
EMX
EEF
Interrupted Cutting
AC8025P
AC8035P
AC8035P
AC6030M
AC6040M
AC6040M
BN7000/BNC500
AC420 K
AC420K
AC5025S
AC5025S
AC5025S
BNC300
BN350
DA1000
Recommended Cutting Conditions
A10 on
A14 on
A16 on
A18 on
A22 on
A20 on
BNC500 is for ductile cast iron.
E25
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