BT-HYDRO (heavy duty) :  Heavy duty, short hydraulic chucks with MAS-BT form ADB shanks.  
 
 
RUNOUT (INT) 0.003MM(.00012 HARDNESS 58-60 SURFACE FINISH N5 G6.3/BT40=12000RPM @ BT50=8000RPM COOLANT
  Designation
SS

d2

D1

D3

L

L1
L
min
L
max

J

G

Kg
  BT40 HYDRO 20X72.5  40  20.00  40.0  49.50  72.50  45.5  52.0  62.0  M16X1  M16  1.43
  BT50 HYDRO 32X90  50  32.00  56.0  72.00  90.00  52.0  65.0  75.0  M16X1  M24  4.80

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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