DIN69871-EM (Coolant Nozzle) :  DIN 69871 form ADB taper shanks short holders with DIN 6359-HB and Adjustable Nozzles, for DIN 1835 Form B Weldon Shanks  
 
 
RUNOUT (INTERNAL) 0.005  TAPER  HARDNESS 58-60  SURFACE FINISH N5  COOLANT 
  Designation
SS
d2
D1
L
L1
G
Kg
  DIN69871 40 EM 6X 50C  40  6.00  32.0  50.00  30.9  M16  0.97
  DIN69871 40 EM 8X 50C  40  8.00  32.0  50.00  30.9  M16  0.99
  DIN69871 40 EM10X 45C  40  10.00  35.0  45.00  25.9  M16  0.99
  DIN69871 40 EM12X 45C  40  12.00  42.0  45.00  25.9  M16  1.03
  DIN69871 40 EM16X 45C  40  16.00  48.0  45.00  25.9  M16  1.07
  DIN69871 40 EM20X 45C  40  20.00  49.0  45.00  25.9  M16  1.03
  DIN69871 40 EM25X 45C  40  25.00  55.0  45.00  25.9  M16  0.96

The coolant passages in the "B" type flange are blocked with screws which can be removed when required.
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