DIN69871-ER-SHORT :  SHORTIN short front end ER collet chucks with a DIN 69871 form AD/B tapered shanks.  
 
 
RUNOUT (INTERNAL) 0.003  TAPER  HARDNESS 58-60  SURFACE FINISH N5  G2.5/20000 RPM  COOLANT 
  Designation
SS
CSI		 d
min		 d
max
L
L1
D3
G1
G
J
Kg
  DIN69871 40 ER32 SHORT  40  ER32  2.0  20.0  28.60  9.5  40.00  M40X1.5  M16  M16  0.58
  DIN69871 50 ER32 SHORT  50  ER32  2.0  20.0  28.60  9.5  40.00  M40X1.5  M24  M22X1.5  2.38
  DIN69871 50 ER40 SHORT  50  ER40  3.0  26.0  28.60  9.5  50.00  M50X1.5  M24  M28X1.5  2.14
  DIN69871 50 ER40 SHORT B  50  ER40  3.0  26.0  28.60  9.5  50.00  M50X1.5  M24  M28X1.5  2.13

For user guide Click on "More Info".
B is the designation for coolant through flange.
Balanced to G2.5/20,000 RPM.
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