External Grooving

External

SSTE

PDY LF LH

External threading

LF The values of LF and LH in the table below are for reference only. LH The actual values of PDY are listed with the inserts on F70.

  • Parts
  • Holders

Dimensions (mm) Cutting edge Cutting edge Height Width Length Head Shim

Cat. No.StockdistanceheightScrewN mFlat washerShimWrench
Set screw
HB LFLH WFHF
SSTE R1616H16D16 16 100 20.516 16
SSTE R2020K16D20 20 125 30.020 20 BFTX0312N2.0YE3 PW3 BX0304*1 TRX10
SSTE R2525M16D25 25 150 30.025 25
*1 Wrench for shim set thread sold separately.
Internal Grooving
Internal
SSTIFig 1 DMIN Min. machining diameterFig 2DMIN Min. machining diameterDMIN Min. machining diameter Fig 3
DCONDCONDCON
Internal threadingF
LHHLH H
LH H
LF-15°LFLF

-15° -15°

  • Parts

Grooving

The values of WF in the table below are for reference only. Cut-Off PDX The actual values of PDY are listed with the inserts on F71.

  • Holders

Dimensions (mm) Threading Cutting Min. machining

Diameter Height Length Head edge Shim

Cat. No.StockFigdiameter*2ScrewN mFlat washerShimWrench
distanceSet screw
DCONHLFLHWFDMIN
SSTI R1812M16D12 11.0 150 32.0 10.2118

3 Q Q Q

D BFTX03085N 2.0

SSTI R2016M16* 316 15.0 150 63.5 9.2220
SSTI R2420Q16D20 18.0 180 19.0 13.524TRX10
SSTI R3125S16D25 23.0 250 14.316.5331BFTX0312N2.0BX0304*1PW3YI3
SSTI R3732S16D32 30.0 250 14.320.037

*1 Wrench for shim set thread sold separately. *2 The minimum bore is the diameter of the prepared hole. *3 Left-hand threading cannot be performed.

  • Shim Selection Standards
  • Holder Identification
tion RecommendationExternal GroovingInternal GroovingS S T E R 25 25 M 16
(Example)
Lead Angle (T)Cat. No. StockCat. No.Stock
4.5°YE3-3PDYI3-3PD
3.5°YE3-2PDYI3-2PD④ Shank height and
SeriesFeed directionmachining diameterShank width/diameterTotal LengthInsert size
YE3-1PDYI3-1PDSST typeSymbol DirectionSymbol(mm)Symbol(mm)Symbol(mm)Symbol Inscribed circle (mm)
2.5°
* D*DRRight 16161616H1009.525 16
1.5°YE3 4YI3 4
20202020K125
0.5°YE3-1NDYI3-1ND② External/Internal25252525M150
YE3-2NDYI3-2NDSymbol Distinction18181212Q180
0.5°20201616S250
EExternal
1.5°YE3-3NDYI3-3ND24242020
IInternal
31312525
*4 Standard shim supplied with the holder.37373232
T For external: YE3-3PFor external: YE3-2P TTFor external: YE3-1P
4.5°3.5°2.5°
1For internal: YI3-3P1For internal: YI3-2PFor internal: YI3-1P 1
*4 Standard shim attached to holders
DDD
TFor external: YE3
3.01.5°
1For internal: YI3
2.0

1.0 T For external: YE3-1N

0.5° 1 For internal: YI3-1N

Effective thread diameter (mm)

Shim Selection Details F72 ・m) F69