PrepMill (Click for more Info) The PrepMill series pneumatic tube facing, bevelling and weld removal machine. The PrepMill is a rugged, fast, portable weld end preparation lathe for various tubes including stainless steel and other high chromium alloys. Machine is constructed on two opposite set up taper roller bearings that makes the machine extremely stable and very rigid and compact. A standard machine is equipped to cover 25 to 122 mm ID (l" to 4,8") with a 116 mm cutter head. Key Features: Heavy duty rigid and powerful yet compact, Heavy duty ratchet handles for feeding and locking, , Easy to lock rigidly into tube and makes continous clean chips without lubricant, Simultaneous bevel-face-bore machining, Torque free operation, Low maintenance and no special training is required.