3 Jaw OEM Ductile Iron Chuck for Lathe1. Material: Gray iron, ductile iron, malleable iron, steel, aluminum2. Weight range: From 0.1kg to 7000kg3. Auto-molding eeze machine, hand molding for option4. Resin sand, hot sand, green sand molding for option5. Melting facility: 500kg/1T medium frequency electric furnace; 3T/5T/7T cupola6. Surface finish: Paint, E-coat, epoxy powder coating, zinc plating7. Our products application covers auto parts, hydraulic parts, agricultural machinery parts, construction machinery parts, textile parts and so on.Â