Application: - High speed micro grain reamers (HSR) with interior cooling for steel and universal machining - High speed reamers with PCD cutting edge (HSR) with interior cooling for machining aluminium with 12% up to 40% silicon, GFK-CFK, NE - High speed reamer with CBN- cutter head (HSR) with interior cooling for machining material up to 70 HRC. - High speed reamers with cermet cutting head (HSR) with interior cooling for machining in stainless steel as well as GG+GGG - High speed miniature precision reamers (HSR) starting from 0,200 mm