... rollers material ductile irn porcess: sand casting cnc machiing Customized designs and specifications ... , brass, cast iron, cast steel2. Lost wax casting or sand casting3. Machining: CNC turning, milling, CNC milling, ... CNC boring4. Weight: 0.2-60kg5. Surface treatment: sand painted, electrophoresis, zinc plated6. Heat treatments: tempered or ... -574-87913610 cnc machiing sand casting industrial roller