Simonet DZ-450 Screwcutting Lathe Based upon the DC-102 plain lathe, the DZ-450 has a centre height of 102mm and admits 450mm between centres. The machine features a hardened and ground WW pattern bed, leadscrew protected by coil spring covers (later models), plain bearing back geared headstock accepting Schaublin W20 collets and 1MT screw tailstock. Spindle speeds are between 14 and 2750 rpm. The machine measures 1350X900mm and weighs 325kg. A wide range of accessories including milling and grinding attachments are available.