HSK A-ER-BIN (BALANCIN) :  DIN6499 ER collet chucks with HSK DIN69893 form A balanceable tapered shanks.  
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RUNOUT (INT) 0.003MM(.00012 HARDNESS 58-60 SURFACE FINISH N5 G2.5/20000 RPM COOLANT
  Designation
SS
CSI		 d
min		 d
max
D3
D1
L
L1
L3
J
Kg
  HSK A 63 ER32X120 BIN  63  ER32  2.0  20.0  50.00  60.0  120.00  94.0  48.00  M22X1.5  1.55
  HSK A 63 ER32X160 BIN  63  ER32  2.0  20.0  50.00  60.0  160.00  134.0  85.00  M22X1.5  2.09

A cooling tube must be used with all coolant through HSK spindles (should be ordered separately).
Balanced to G2.5/20,000 RPM, (preset balanced value) can be improved by using a balancing machine.
For shank dimensions, Click on "More Info".
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