WORKPIECEMaximum diameter-external: 400mm (15.7in) (102mm cutter)Maximum diameter-internal: 380mm (15in) (127mm cutter)Maximum pitch: Mod. 6 (4D.P.)Maximum helic angle: 45degr. (R.H. or L.H.)CAPACITYCutter stroke length: 0-10mm (0-4in)Cutter spindle speeds: 50-700 spmMaximum centre distance- 254mm (10in)Cutter to work (forward)Maximum centre distance- 127mm (5in)Cutter to work (backward)Minimum centre distance: 0Cutter spindle shoulder to 254mm (10in)table top maximumCutter spindle shoulder to 122mm (4.72in)table top minimum