Granlund manufacturer 3 types of Boring Bars, with either Steel or Carbide shanks. Some of which have through-coolant facility.
The range covers diameters from 9,8-31,8mm in 1.0mm steps.
The Granlund "ES" eccentric Collets can be adjusted ± 0,5 mm for fine adjustment of bar.
Pease contact MIDWAY TOOLS for more information, as they are the sole U.K. importer of GRANLUND TOOLS