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T490 LNMT/LNHT 0804 : 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.
 
 
  DesignationOrd W1 L APMX RE  S ap
(min)
ap
(max)
fz
(min)
fz
(max)
L3 Color Fzl
(max)
Fzm
(min)
Fzm
(max)
Fzh
(min)
Fzh
(max)
SF CEDC ESP HAND Insert Mod Pocket SC 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 LNMT 0804PNR 5~4.248.598.000.407.431.50~5.00~0.100.188.00~.00~0.00~0.10~0.15~0.15~0.20~M8~4~U40~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~5606664 6IC330 IC830 IC5400 IC808 IC810 IC5100 
  T490 LNHT 080404PNR 10~4.248.598.000.407.511.50~5.00~0.080.158.00~.00~0.00~0.08~0.12~0.00~0.00~M6~4~G30~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~5606335 5IC330 IC328 IC830 IC808 IC810 
  T490 LNMT 080408PNR 20~4.248.598.000.807.431.50~5.00~0.100.188.00~.00~0.00~0.10~0.15~0.15~0.30~M8~4~U40~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~5607680 3IC830 IC808 IC810 
  T490 LNHT 080408PNR 30~4.248.598.000.807.161.50~5.00~0.080.158.00~.00~0.00~0.08~0.12~0.00~0.00~M6~4~G30~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~5606321 4IC330 IC830 IC808 IC810 
  T490 LNHT 080412PNR 40~4.248.598.001.207.321.50~5.00~0.080.158.00~.00~0.00~0.08~0.12~0.00~0.00~M6~4~G30~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~5606322 4IC330 IC830 IC808 IC810 
  T490 LNMT 080412PNR 40~4.248.598.001.206.871.50~5.00~0.080.188.00~.00~0.00~0.08~0.12~0.00~0.00~M6~4~U40~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~5667963 1IC830 
  T490 LNHT 080416PNR 50~4.248.598.001.607.241.50~5.00~0.080.158.00~.00~0.00~0.08~0.12~0.00~0.00~M6~4~G30~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~5606323 4IC330 IC830 IC808 IC810 
  T490 LNMT 080416PNR 50~4.248.598.001.607.291.50~5.00~0.100.188.00~.00~0.00~0.08~0.12~0.00~0.00~M6~4~U40~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~5607681 1IC808 
  T490 LNMT 0804PNR-CS   60~4.248.598.000.407.432.50~7.00~0.100.158.00~.00~0.00~0.10~0.15~0.18~0.20~M8-CS~4~U50-CS~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~5682008 Chip splitting cutting edge 2IC830 IC808 
  T490 LNHT 080404PNR-RD   70~4.248.598.000.407.511.50~5.00~0.080.158.00~.00~0.00~0.10~0.15~0.00~0.00~M8~4~G30~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~5607354 Used for ramping down applications on 16-40 mm diameter tools 1IC830 
  T490 LNMT 080404PNR-RD   70~4.248.598.000.407.511.50~5.00~0.080.158.00~.00~0.00~0.10~0.15~0.00~0.00~M8~4~G30~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~3354133 Used for ramping down applications on 16-40 mm diameter tools 1IC830 
  T490 LNHT080404PNR-PLS   80~4.248.598.000.407.511.50~5.00~0.080.158.00~.00~0.00~0.10~0.15~0.00~0.00~M8~4~G30~~T490 LN.. 08~ML100~T490 LN.. 08~L~0.00~0.0~-~~T~-~71DDA089C8D1E~4~~~90.0~~INSCMIL_MIS$$TN~3~R~IS$$906478313787228~~GEMLI01023100~201-~-~~2~~08~-~C~~0~5668170 Positive rake angle for soft and gummy materials 1IC830 
LNMT-utility inserts, LNHT-precision inserts
Click on "More Info" to see possible ramp down angle for T490 LN.. 080404PNR-RD inserts
For cutting speed recommendations, click on the required grade number related to specific item geometry

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