... (threaded R22, R25, R28, R32, R38, T38, T45, T51)Shank adapters - carburized and manufactured with tight tolerances and controlled straightness ... round cutter bit and flat cutter bits for excavate coal machine as the replacements of kennametal. Such as U76, U82, ... construction tools.7. Round road planning bit for road milling machine and machine.Shank diameter=19.4mm, 25mm, 30mm, 33mm, 38mm, etc. ...