? Outside Chamfering Mills High Speed Steel ? Designed to economically chamfer a large variety of diameters on tubing, pipe, and rod: ? Chatterless teeth produce heavy chamfers ? One size will accommodate many size parts ? Large variety of shanks available ? Available in 60? and 90? angles ? May be reground many times ? These outside chamfering mills are most efficient when used in screw machines, lathes, drill presses, or other chucking machines, or with work holding devices, although where requirements are not tooexacting, may be used in a portable power tool on some materials.