BHR MB : Rough boring heads for 18-200 mm diameter range used on the MB modular boring system.
  DesignationSSd mind maxLD1L1kgGICATGIREMgiic
  BHR MB16-16X34 MB16 18.0022.0034.0016.00-0.074652457 0
  BHR MB20-20X40 MB20 22.0028.0040.0020.00-0.114652458 0
  BHR MB25-25X50 MB25 28.0038.0050.0025.00-0.184652459 0
  BHR MB40-40X80 MB40 50.0068.0080.0040.00-0.724652461 0
  BHR MB50-50X100 MB50 68.0090.00100.0055.0050.01.504652454 0
  BHR MB63-63X125 MB63 90.00120.00125.0072.0063.03.064652455 0
  BHR MB80-80X140 MB80 120.00200.00140.0095.0075.05.394652456 0
  BHR MB 32-32X63 MB32 36.0050.0063.0032.00-0.354652460 0
  BHR MB 50-63X80 MB50 90.00120.0080.0072.0060.00.204653680 0

Please verify that the weight of the entire tool assembly does not exceed the machine spindle's carrying capability.