ADJ DIN69871-ER :  FINEFIT, center alignment DIN 6499 ER collet chucks with DIN 69871 form AD/B taper shanks.  
 
 
TAPER HARDNESS 58-60 SURFACE FINISH N5 COOLANT
  Designation
SS
CSI		 d
min		 d
max
L
L3
L1
L5
D3
D1
D2
G
Kg
  ADJ DIN69871 40 D70 ER32  40  ER32  2.0  20.0  124.50  52.50  105.4  89.50  50.00  70.0  46.00  M16  2.36
  ADJ DIN69871 50 D70 ER32  50  ER32  2.0  20.0  124.50  52.50  105.4  89.50  50.00  70.0  46.00  M24  4.29

Radial adjustment 0.1 mm. Angular adjustment 1°.
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