16/07/2019 · Ball Mill (Chamber) Material MS . Dia 275mm, Length 350mm. Thickness 5 mm . Discharge Chute . Suitable size. Drive . MODEL: 12 A . 1 Crompton Make motor coupled to 2" Reduction Gearbox 3 step pulley to get40, 50 and 60 RPM (approx). MODEL: 12 B