ADJ ST-ER :  DIN 6499 ER collet chucks with center alignment and cylindrical shanks.  
 
 
HARDNESS 58-60 SURFACE FINISH N5 COOLANT
  Designation
SS
CSI		 d
min		 d
max
L
L1
L2
D3
D1
Kg
  ADJ ST25 D70 ER32  25  ER32  2.0  20.0  94.50  52.5  80.00  50.00  70.0  1.74
  ADJ ST32 D70 ER32  32  ER32  2.0  20.0  94.50  52.5  80.00  50.00  70.0  1.91

Radial adjustment 0.1 mm. Angular adjustment 1°.
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