Uses either high speed steel or tungsten carbide saws and V-cutters. To change operation from high speed steel to carbide or vice-versa, it is necessary only to reverse pulleys (to change spindle speed). This outstanding undercutter is designed to handle the large volume production undercutting of the motor manufacturer, as well as the wide variety of undercutting requirements encountered in the service shop. - Model HV-3 is precision built, rugged, fast and accurate. Depth of cut is governed by a fine screw adjustment. When the saw is being returned to the riser for the next cut, it is lifted clear of the slot for indexing. Handles a wider variety of armature sizes and shaft lengths than any similar machine being manufactured.