Disc grinder the best 2020 disc sander test & comparison. Hegner disc grinding machine HSM 300 (for wood, plastic, metal, disc-ø300 mm, grinding table 45 ° swiveling) 6400000 Güde 55135 BELT AND GRINDERS GBTS 400, Blue Proxxon plate grinder TG 250 / E (housing made of die-cast aluminum, sanding plate planed, for softwood, plastic, non-ferrous metal etc., with extraction nozzle) 28060