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T490 LNMT/LNHT 1306 : HELITANG - Tangentially clamped inserts with 4 helical cutting edges. The unique pocket design prevents insert pull-out and enables tools with larger core diameters compared with regular radially orientated inserts.
Right-hand shown
 
Right-hand shown
 
  DesignationOrd W1 L APMX RE  S ap
(min)
ap
(max)
fz
(min)
fz
(max)
Fig. L3 CEDC HAND Insert RMPX  Mod S1 SC e ESP Pocket SF AN BS CBMD CECC CHW ClssID CNC COATP D1 EPSR GRDMFG GTC IFS IH IIC INSL ISCTMP ISYC KRINS  LE NIS Precise SSC  TCE UST Utility WEP GICATGIREMgiicTough ‹————› Hard
Grade & Vc
  T490 LNAT 1306 PN-W   1~6.6514.200.501.0013.100.50~0.50~0.120.181.13.00~2~R~T490 LN.. 13~-~ML100~1~L~~0.01~U50~T490 LN.. 13~M6~0.0~~~T~-~71DDA089C8D1E~2~~~90.0~~INSCMIL_MIS$$TN~3~N~IS$$1681491812257803~~GEMLI01023100~201-~~~2~~13~-~C~~1~5667702 A wiper insert with 2 cutting edges, for finishing only. 1IC808 
  T490 LNMT 1306PNTR 5~6.6513.7412.500.8013.054.00~12.00~0.100.251.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~U50~T490 LN.. 13~M8~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5695747 13IC882 IC330 IC328 IC840 IC830 IC928 IC5400 IC5500 IC380 
IC808 IC810 DT7150 IC5100 
  T490 LNHT 1306PNTR 10~6.6513.8012.500.8513.054.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~-~ML100~1~L~~0.01~G50~T490 LN.. 13~M6~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1681491812257803~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5606062 6IC330 IC830 IC808 IC810 DT7150 IC5100 
  T490 LNHT 1306PNTL   11~6.6513.8112.500.8513.054.00~12.00~0.100.201.13.00~4~L~T490 LN.. 13~-~ML100~1~L~~0.01~G30~T490 LNHT 1306PNTR/L~M8~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~L~IS$$164325836729190~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5683580 Left-hand insert used on left-hand cartridges or on special left-hand cutters 3IC830 IC808 IC810 
  T490 LNMT 1306PNTL   11~6.6513.8012.500.8513.054.00~12.00~0.100.201.13.00~4~L~T490 LN.. 13~-~ML100~1~L~~0.01~G50~T490 LN.. 13~M6~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$164325836729190~~GEMLI01023100~201-~-~~2~~13~-~C~~0~3304170 Left-hand insert used on left-hand cartridges or on special left-hand cutters 1IC830 
  T490 LNMT 1306PNTR-CS   15~6.6513.7412.500.8513.054.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~U50-CS~T490 LN.. 13~M8-CS~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1681491812257803~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5666822 Chip splitting insert 4IC330 IC830 IC5400 IC810 
  T490 LNHT 1306PN-R-PL   20~6.6513.8112.500.8513.054.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~G30~T490 LN.. 13~M6~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5606365 Positive rake face, for stainless steel and high temperature alloys. 4IC882 IC330 IC830 IC808 
  T490 LNHT 1306PNR-PLS   25~6.6513.8112.500.8513.054.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~G30~T490 LN.. 13~M6~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5668171 Positive rake angle for soft and gummy materials 1IC830 
  T490 LNHT 1306PNTR-RD   25~6.6513.8112.500.8513.054.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~2.8~ML100~2~L~~0.01~G40~T490 LN.. 13~M6~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5682020 Used for ramping down applications with 32 mm and larger tools (Click on "More Info") 2IC830 IC810 
  T490 LNMT1306PNR-RD-CS   27~6.6513.7412.500.8513.054.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~0.5~ML100~2~L~~0.01~U50~T490 LN.. 13~M8-CS~0.0~~~T~~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~~~2~~13~-~C~~0~3315955 Used for ramping down and chip splitting applications with 40 mm and larger tools (Click on "More Info") 1IC830 
  T490 LNMT1306PNR-RDPCS   28~6.6513.7512.500.8513.054.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~0.5~ML100~2~L~~0.01~U50-CS~T490 LN.. 13~M8-CS~0.0~~~T~~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~~~2~~13~-~C~~0~3309428 Positive rake face, for stainless steel and high temp. alloys; used for ramping down and chip splitting applications. 1IC840 
  T490 LNMT1306PNR-RDPL   29~6.4413.7412.500.8513.051.00~12.50~0.100.201.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~U60~T490 LN.. 13~M6~0.0~~~T~~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~~~2~~13~-~C~~0~3309426 Positive rake face, for stainless steel and high temperature alloys with limited ramp down capability 1IC840 
  T490 LNHT 130604PNTR 30~6.6513.8112.500.4012.884.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~G50~T490 LN.. 13~M6~0.0~~~T~~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~~~2~~13~-~C~~0~5683372 1IC830 
  T490 LNHT 130612PNTR 35~6.6513.8112.501.2013.004.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~G50~T490 LN.. 13~M6~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5680609 1IC810 
  T490 LNHT 130616PNTL   40~6.6513.8112.501.6012.884.00~12.00~0.100.201.13.00~4~L~T490 LN.. 13~-~ML100~1~L~~0.01~G50~T490 LN.. 13~M6~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~L~IS$$164325836729190~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5607350 Left-hand insert used on left-hand cartridges or on special left-hand cutters 1IC830 
  T490 LNHT 130616PNTR 40~6.6513.8112.501.6012.884.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~-~ML100~1~L~~0.01~G50~T490 LN.. 13~M6~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5607492 3IC330 IC830 IC808 
  T490 LNMT 130616PNTR 40~6.6513.7512.501.6012.884.00~12.00~0.100.251.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~U50~T490 LN.. 13~M8~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5684015 2IC830 IC810 
  T490 LNHT 130624PNTL   45~6.6513.8012.502.4012.504.00~12.00~0.100.201.13.00~4~L~T490 LN.. 13~-~ML100~1~L~~0.01~G50~T490 LN.. 13~M7.5~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~L~IS$$164325836729190~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5607351 Left-hand insert used on left-hand cartridges or on special left-hand cutters 1IC830 
  T490 LNHT 130624PNTR 45~6.6513.8012.502.4012.504.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~-~ML100~1~L~~0.01~G50~T490 LN.. 13~M7.5~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1681491812257803~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5607493 4IC330 IC830 IC808 IC810 
  T490 LNMT 130624PNTR 45~6.6513.7412.502.4012.664.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~G50~T490 LN.. 13~M8~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5666836 2IC830 IC810 
  T490 LNHT 130631PNTL   55~6.6513.8112.503.1012.374.00~12.00~0.100.201.13.00~4~L~T490 LN.. 13~-~ML100~1~L~~0.01~G50~T490 LN.. 13~M7.5~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~L~IS$$164325836729190~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5607352 Left-hand insert used on left-hand cartridges or on special left-hand cutters 1IC830 
  T490 LNHT 130631PNTR 55~6.6513.8112.503.1012.374.00~12.00~0.100.201.13.00~4~R~T490 LN.. 13~-~ML100~1~L~~0.01~G50~T490 LN.. 13~M7.5~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1681491812257803~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5607494 3IC330 IC830 IC808 
  T490 LNMT 130631PNTR 55~6.6513.7512.503.1012.454.00~12.00~0.100.251.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~U50~T490 LN.. 13~M8~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5607269 2IC330 IC830 
  T490 LNHT 130640PNTR   60~6.6513.6312.504.0012.604.00~12.00~0.100.202.13.00~2~R~T490 LN.. 13~-~ML100~2~L~~0.01~G50~T490 LN.. 13~M7.5~0.0~-~~T~-~71DDA089C8D1E~2~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5668136 With 2 cutting edges 3IC330 IC830 IC808 
  T490 LNMT 130640PNTR   60~6.6513.6312.504.0012.604.00~12.00~0.100.202.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~G50~T490 LN.. 13~M8~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5666837 With 2 cutting edges 1IC830 
  T490 LNHT 130650PNTR   65~6.6513.6312.505.0012.454.00~12.00~0.100.202.13.00~2~R~T490 LN.. 13~-~ML100~2~L~~0.01~G50~T490 LN.. 13~M7.5~0.0~-~~T~-~71DDA089C8D1E~2~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5667055 With 2 cutting edges 3IC330 IC830 IC810 
  T490 LNMT 130650PNTR   65~6.6513.6312.505.0012.364.00~12.00~0.100.202.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~G50~T490 LN.. 13~M8~0.0~-~~T~-~71DDA089C8D1E~4~~0.00~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~0.00~2~~13~-~C~~0~5666838 With 2 cutting edges 1IC830 
  T490 LNHT 130660PNTR   70~6.6513.6312.506.0012.304.00~12.00~0.100.252.13.00~2~R~T490 LN.. 13~-~ML100~2~L~~0.01~G50~T490 LN.. 13~M7.5~0.0~-~~T~-~71DDA089C8D1E~2~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5683600 With 2 cutting edges @ The corner of a tool body should be modified by chamfering to 2x45° 2IC830 IC808 
  T490 LNHT 130664PNTR   75~6.6513.6312.506.3512.284.00~12.00~0.100.202.13.00~2~R~T490 LN.. 13~-~ML100~2~L~~0.01~G50~T490 LN.. 13~M7.5~0.0~-~~T~-~71DDA089C8D1E~2~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5606076 With 2 cutting edges @ The corner of a tool body should be modified by chamfering to 2x45° 3IC330 IC830 IC808 
  T490 LNMT 130664PNTR   75~6.6513.6312.506.4012.284.00~12.00~0.100.202.13.00~4~R~T490 LN.. 13~-~ML100~2~L~~0.01~G50~T490 LN.. 13~M8~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$1517268478685841~~GEMLI01023100~201-~-~~2~~13~-~C~~0~5666839 With 2 cutting edges @ The corner of a tool body should be modified by chamfering to 2x45° 1IC830 
LNMT-utility inserts, LNHT-precision inserts.
For cutting speed recommendations, click on the required grade number related to specific item geometry

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