GRINDING EQUIPMENT INCREASES YOUR .
BUTTON BIT GRINDER RG460. GRINDING APPLICATIONS Stationary electrical grinder for workshops. Intended for grinding all down the hole (DTH) button bits. Bit holder holds diameters up to ø 92 mm, this means: DTH button bits up to ø 200 mm (max. shank ø 92 mm and max. head length 105 mm).