T490 ELN-13 :  90° endmills carrying T490 LNMT/LNHT 13... tangentially clamped inserts with 4 helical, .490" long cutting edges (HELITANGT490 Line).  
 
 
Shouldering Slotting Ramp down Facing COOLANT
  Designation
D
Z
L
H
L1
ap
d
ShankC-Cylindrical, W-Weldon
Lbs
Rd°Only when T490 LNHT 1306 PNTR-RD insert is used
  T490 ELN D1.00-2-C1.0-13B  1.000  2  7.870  1.970  1.85  .490  1.000  C  1.539  -
  T490 ELN D1.00-2-W1.00-13  1.000  2  4.000  1.500  1.40  .490  1.000  W  .725  -
  T490 ELN D1.25-2-W1.25-13  1.250  2  4.250  1.500  1.40  .490  1.250  W  1.248  2.9
  T490 ELN D1.25-3-C125-13B  1.250  3  9.840  1.970  1.85  .490  1.250  C  3.140  2.9
  T490 ELN D1.25-3-W1.25-13  1.250  3  4.250  1.500  1.40  .490  1.250  W  1.261  2.9
  T490 ELND1.25-3-W125-13XL  1.250  3  6.250  3.250  3.13  .490  1.250  W  1.896  2.9
  T490 ELN D1.50-3-C150-13B  1.500  3  9.840  1.970  1.90  .490  1.500  C  4.476  2.2
  T490 ELN D1.50-3-W1.25-13  1.500  3  4.500  1.660  -  .490  1.250  W  1.475  2.2
  T490 ELND1.50-3-W150-13XL  1.500  3  7.750  5.000  4.90  .490  1.500  W  3.338  2.2
  T490 ELN D1.50-4-W1.25-13  1.500  4  4.500  1.660  -  .490  1.250  W  1.482  2.2

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