Model F1 / S F1-SMaximum efficiency and user-friendly handling for knurling on short-bed and multi-spindle lathes. The F1-S series can produce all knurling profiles, at any location on the workpiece. Work piece ∅8 - 200 mmShank ∅ / L20x20, 25x20Knurling wheels ∅20, 25Machine typeconventional and CNC-controlled short-bed lathes, universal lathes, machining centres, multi-spindle lathes