Internal To olhold e r - C onte nt str ucture

- Indexable toolholders are listed by cutting edge shape. - In the same cutting edge shape, the inserts are sorted alphabetically.

The order of the list: CN□□ insert → DN□□ insert → RN□□ insert → SN□□ insert →

TN□□ insert → VN□□ insert → WN□□ insert

- Toolholders in the catalog are our standard stock items.

How to use the page

Method ① Select the cutting edge shape described at the left end of each page, jump to the page on the left index, and

choose a designation you need (❹) in the dimension table (❸). Applicable inserts are shown in (❻) and (❽). Method ② Select the cutting edge on D003 and check the details on the product page. Method ③ Select the series name of a toolholder on D003 and check the details on each page. Method ④ Select an item from Quick Guide on D006-D011.

❷ A

A - AC L N R / L- E c o A - P C L N R / L

D o u b l e - c l a m p boring b a r, for negative 8 0 ° rhombic inserts Le v e r- l o c k boring b a r, for negative 8 0 ° rhombic inserts B

DMINH 95° H DMIN
95°
LH LH
GAMFC LF LF GAMF
95°95°
GAMPGAMP
Cutting edge style LRight hand (R) shown.Cutting edge style L
Right hand (R) shown.
DesignationMaterial DMIN DCONMSWFLFTorque* Insert GAMP GAMF RE** f2 H LH
A25R-ACLNR/L0904-D320Steel 3225 172003 CN**0904... 0.8 -13° -6° 4.5 23 45
LA32S-ACLNR/L0904-D400Steel 4032 222503 CN**0904... 0.8 -10° -6° 6 30 50
*Torque: Recommended clamping tor❹que (N∙m)
X**RE: Standard corner radius
SPARE PARTS
JDesignationClamp screw ClampSpringsWrench Shim screw Shim Spring pin
A**-ACLNR/L0904...ACS-5W ACP3S-EBP-7T-15F CSTB-3.5 ASC322 SP-2.5
K
F
U
Q
Z
OTHERS
INSERT SELECTION
ApplicationMedium cutting Finishing ApplicationFinishingMedium cutting
GradeT9215 T9215 GradeT6120T6130
TM TSFSSSM
BreakerBreakerShape
Shape
Cutting conditionsB018 Cutting conditionsB020
ApplicationMedium cutting ApplicationMedium cutting
GradeT515 GradeAH8015
TMTM
BreakerBreaker
ShapeShape
Cutting conditionsB022 Cutting conditionsB026
Reference pages: A-ACLNR/L-Eco: Insert → B054 -
D020 www.tungaloy.com
❶ : Cutting edge shape
❷ : Series name of indexable boring bars
❸ : Dimension table
❹ : Toolholder designation
e.g. To select right-handed steel shank for
DesignationMaterialDMIN DCONMSWFLFLHHf2 GAMP GAMF RE**Torque* Insert
A16M-PCLNR/L09-D200Steel20161115032153-6° -14°D 1.7 0.8 CN**0903...
A20Q-PCLNR/L09-D250Steel25201318036183-6° -12°1.7 0.8 CN**0903...
A25R-PCLNR/L09-D320Steel32251720045234.5-6° -11°1.7 0.8 CN**0903...
A25R-PCLNR/L12-D320Steel32251720045234.5-6° -13°2.7 0.8 CN**1204...
A32S-PCLNR/L12-D400Steel40322225050306-6° -11°4.8 0.8 CN**1204...
A40T-PCLNR/L12-D500Steel50402730060377-6° -10°E 4.8 0.8 CN**1204...
A50U-PCLNR/L12-D630Steel635035350654710-6°-8°4.8 0.8 CN**1204...
*Torque: Recommended clamping torque (N∙m)
**RE: Standard corner radius
Note: Use right-hand toolholders (PCLNR**) with left-hand inserts (L); and left-hand toolholders (PCLNL**) with right-hand inserts (R).
❼ SPARE PARTSF
DesignationShim ClampingClampingWrench 1Wrench 2SpringsLeverOil supplyScrew for oil hole*
screw 1screw 2attachment*
A**-PCLNR/L09-D**0- LCS22A-P-2F--LCL32NEA-25SSHM5-6
A25R-PCLNR/L12-D320- LCS43--P-2.5-LCL43NEA-32SSHM5-6
A32S-PCLNR12-D400LSC42BR-LCS4-P-3LSP4LCL4EA-32SSHM5-6
A32S-PCLNL12-D400LSC42BL-LCS4-P-3LSP4LCL4-G SSHM6-6
A40T-PCLNR12-D500LSC42BR-LCS4-P-3LSP4LCL4-SSHM6-6
A40T-PCLNL12-D500LSC42BL-LCS4-P-3LSP4LCL4-SSHM6-6
A50U-PCLNR12-D630LSC42BR-LCS4-P-3LSP4LCL4-SSHM6-6
A50U-PCLNL12-D630LSC42BL-LCS4-P-3LSP4LCL4-SSHM6-6
*OptionalH
I
INSERT SELECTIONJ
ApplicationPrecision finishingFinishingMedium cutting Medium to heavy cuttingApplicationFinishingMedium cutting Medium to heavy cutting
GradeNS9530GT9530T9215T9215GradeT6120T6130T6130
TFTSFTMTHSFSMSH
BreakerBreaker
ShapeShapeK
Cutting conditionsB006Cutting conditionsB008
ApplicationFinishingMedium cutting Medium to heavy cuttingApplicationPrecision finishingFinishingMedium cutting
GradeT515T515T515GradeDX120DX140TH10
All-roundAll-roundAll-roundT-DIAwith rake T-DIAP
BreakerBreaker
ShapeShapeL
Cutting conditionsB010Cutting conditionsB012
ApplicationPrecision finishingFinishingMedium cuttingApplicationPrecision finishingFinishing
GradeBX950AH8005AH8005GradeBXM10BXM10
T-CBNHRFHRMT-CBNT-CBN
BreakerBreakerM
ShapeShape
Cutting conditionsB014Cutting conditionsB016
Reference pages: A-PCLNR/L: Insert → B054 -, CBN → B170 - , PCD → B188 -
Tungaloy D021
❺ : Dimension drawing (conforming to ISO13399)
❻ : Applicable insert
❼ : Spare parts
❽ : Insert selection
❾ : Reference pages

minimum machining diameter ø13 R D130A10K-SDXX 07-

When ordering

e.g. A12M-SDZXR/L07-D140 ... 1 (one boring bar per package)