DIN69871-SEM-C :  ISO 3937 Shell mill holders with coolant holes and DIN 69871 form ADB tapered shanks.  
 
 
RUNOUT (EXT) 0.005MM (.0002 HARDNESS 58-60 TAPER SURFACE FINISH N5 G2.5/SK40=20000RPM @ SK50=15000RPM COOLANT
  Designation
SS
d
D1
L
L2
L1
G
Kg
Fig.
  DIN69871 40 SEM27X 60 C  40  27.00  58.0  60.00  21.00  40.9  M16  1.20  1
  DIN69871 40 SEM27X100 C  40  27.00  58.0  100.00  21.00  80.9  M16  2.32  1
  DIN69871 50 SEM27X 35 C  50  27.00  58.0  35.00  21.00  15.9  M24  2.88  1
  DIN69871 50 SEM27X100 C  50  27.00  58.0  100.00  21.00  80.9  M24  4.15  1
  DIN69871 50 SEM27X61X300C  50  27.00  61.0  300.00  21.00  281.0  M24  8.70  2

(a) If the B type option is required, the plug screw must be removed from the flange cooling hole (use a 2 mm hex key).
Balanced to G2.5/SK40=20,000 RPM, SK50=15,000 RPM
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