Sabar Machine Tools Manufacturing Co. Supplies Hydraulic Cot Grinding Machine with Speed Frame Top Roller. Sabar Machine Tools Manufacturing Co. Offers various types of Hydraulic cot-grinding machine, manual fluted roller, mechanical production cot grinding machine, eccentricity & taper tester, clearer roller cleaner roller cleaners etc. Hydraulic Cot Grinding Machine with Speed Frame Top Roller is controlled by electronic digital cyclic timer having counter indicating total production of top roller.