MM ECU :  MULTI-MASTER, 3 flute, undersized interchangeable solid carbide heads for keyways (DIN 6885).  
 
 
Shouldering Slotting Ramp down Helical interpolation Drill mill Plunging & recessing
  Designation
D
Flute
ap
r
Ts
D2
l
Ha°		 fz
(min)		 fz
(max)
  Grade
  MM ECU077E04R020-3T05  7.70  3  4.00  0.20  T05  7.70  10.00  38.0  0.03  0.08 IC908
  MM ECU097E05R030-3T06  9.70  3  5.00  0.30  T06  9.60  13.00  38.0  0.03  0.09 IC908
  MM ECU117E07R030-3T08  11.70  3  7.00  0.30  T08  11.50  16.50  38.0  0.03  0.10 IC908
  MM ECU157E08R030-3T10  15.70  3  8.00  0.30  T10  15.30  20.50  38.0  0.04  0.12 IC908
  MM ECU197E12R040-3T12  19.70  3  12.00  0.40  T12  18.30  25.50  38.0  0.05  0.13 IC908

For Clamping keys (should be ordered separately), tightening torques and clamping instructions, click on "More Info".
Do not apply lubricant to the threaded connection.
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