This ring die Awila 420 is for pellet Awila 420,for feed pellet producing,it is widely use in Bangladesh. Our factory is a professional manufacturer of ring dies with more 30 years experience. Every year, we make around 8000pcs dies for both feed pellet producing and wood pellet producing. Material: Stailess Steel/X46Cr 13,High Chrome steel Inside diameter: 420mm Hole dimater: 1mm-12mm HRC: 52-55 After heat treatment