STETTLER STR 200 is an internal grinding machine engineered for precision, high accuracy and reliable internal finishing. Working capacities: min internal grinding diameter 1 mm, max 30 mm; grinding depth 1–100 mm; centre height 185 mm; distance between centres 200 mm; grinding table travel 1–100 mm; table speed stepless up to 5 m/min. Main specs: workpiece spindle bore 20 mm, taper 25 W, 3 steps 550–800 t/min; grinding spindle 30,000–45,000 t/min; voltage 50 Hz 3x380 V; machine weight ~610 kg; dimensions L1450×W760×H1600 mm. Accessories: redressing device and coolant system. Enables tight tolerances; typical applications include automotive, watchmaking, machine tools, aerospace and medical.