Precision machine tools provides centreless grinding machines with maximum and grinding diameter of 125 mm and 3 mm respectively. Regulating wheel head swivel is 15-degree vertical and horizontal. Hydraulically operated dressing device is provided for grinding wheel and regulating wheel. Wheel head power is 7.5 hp and regulating wheel head power 1 hp. The grinding wheel size is 350 mm [d] x 100 mm [w] x 76.2 mm [b]. Maximum length in through-feed grinding is 250 mm. Regulating wheel size is 225 mm [d] x 100 mm [w] x 76.2 mm [b].