DIN69871-SRK : Thermal shrinking chucks with DIN 69871 form AD taper shanks for solid carbide tools only
IT_BALANCE_25000 RPM                                IT_BALANCE GRADE                                    IT_RUN-OUT A0.003                                   IT_TAPER SHANK GRADE                                IT_SURFACE HARDNESS 50~52HRC                        IT_N5                                              
  DesignationSSd2D1D2LL1L3LminADJRGALmaxGJkgGICATGIREMgiic
  DIN69871 40 SRK 4X50 404.0010.0015.0069.1050.035.5012.06.0018.0M16M60.824651716 0
  DIN69871 40 SRK 4X85 404.0010.0019.00104.1085.064.1012.06.0018.0M16M60.904651717 0

Add B for coolant through the flange