DIN69871-HYDRO (heavy duty) :  Heavy Duty, Short Hydraulic Chucks with DIN69781 Form ADB shanks (HYDROFIT).  
 
 
RUNOUT (INT) 0.003MM(.00012 TAPER HARDNESS 58-60 SURFACE FINISH N5 G6.3/SK40=12000RPM @ SK50=8000RPM COOLANT
  Designation
SS
d2
D1
D3
L
L1		 L
min		 L
max
J
G
Kg
  DIN69871 40 HYDRO 20X64.5  40  20.00  40.0  49.50  64.50  45.0  42.0  52.0  M16X1  M16  1.33

Chucking forces will be reduced by 25% if reduction sleeves are used.
Note: Reduction sleeves are available for 12, 20, 25 and 32 mm bore diameters (ordered separately).
The coolant passages in the B type flange are blocked with screws which can be removed when required.
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