DIN69871-MAXIN :  Power chucks with DIN 69871 form AD/B taper shanks  
 
 
RUNOUT (INT) 0.003MM(.00012 TAPER HARDNESS 58-60 SURFACE FINISH N5 COOLANT
  Designation
SS
d2Without a collet		 d
minBy using a reducer collet
D3
D2
L
L1		 L
min		 L
max
J
G
Kg
  DIN69871 40 MAXIN 32X106  40  32.00  6.0  69.00  70.00  106.00  87.0  70.0  83.0  M16  M16  1.42
  DIN69871 40 MAXIN 32X106B  40  32.00  6.0  69.00  70.00  106.00  87.0  70.0  83.0  M16  M16  1.45
  DIN69871 50 MAXIN 32X100  50  32.00  6.0  69.00  70.00  100.00  81.0  70.0  84.0  M20X2  M24  3.17
  DIN69871 50 MAXIN 32X100B  50  32.00  6.0  69.00  70.00  100.00  81.0  70.0  84.0  M20X2  M24  3.16
  DIN69871 50 MAXIN 32X135  50  32.00  6.0  69.00  70.00  135.00  116.0  71.0  85.0  M20X2  M24  4.10

Use of d2 diameter tools provides the best performance as collets reduce gripping force by 25%.
B is the designation for coolant through flange.
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