BT-SRK :  SHRINKIN thermal chuck collets with BT MAS 403 form A/B taper shanks. Can be for carbide tools.  
 
 
RUNOUT (INT) 0.005MM (.0002 TAPER HARDNESS 50-52 SURFACE FINISH N5 SHRINKIN COOLANT G2.5/25000 RPM
  Designation
SS

d2

D1

D2

L

L1

L3
L
min
L
max

J

KeyHex key size for the rear stopper screw

G

Kg
  BT40 SRK 12X50  40  12.00  20.0  26.00  77.00  50.0  42.30  32.0  42.0  M10  5.00  M16  1.06
  BT40 SRK 12X85  40  12.00  20.0  28.00  112.00  85.0  56.60  32.0  42.0  M10  5.00  M16  1.20

Balanced to G2.5/25,000 RPM.
For shrink units information, Click on "More Info".
To be used for carbide tools only
Preset screw without coolant hole.
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