STEFOR RTA 500 is a Surface grinder, designed for precision, high accuracy and reliable operation. Working capacities: table length 660 mm, table width 205 mm, grinding length 500 mm, grinding width 200 mm, max distance table to spindle centreline 425 mm, longitudinal travel (X) 550 mm, transversal travel (Y) 200 mm. Main specs: automatic cross‑feed stepless 1–30 m/min, table speeds stepless 1–22 m/min, grinding wheel Ø225×30 mm up to 2800 t/min, supply 3×380 V 50 Hz, grinding spindle motor 2 CV, total power 3 CV, weight ≈850 kg, dimensions 1900×1200×1800 mm. Accessories: magnetic plate 500×250 mm, redressing device, splash guard. Enables tight tolerances; typical applications: automotive, machine tools, aerospace, medical, watchmaking.