... and multigearProfile/flank shapesAcc. to all current standards, special forms, for roughing and finish-millingBore designsExternal: Ø 24 to 180 mmTotal length ... , HM-P, HM-KCoatingsTiN, TiCN, TiAlN, AlTiN, AlCrN Hobbing cutters for single gear/multigear worms