1) material : Dual alloy screw(PTA) 2)application: injection molding machine,extrusion 3)dimension: 15mm-300mm 4)hardness

1) material : Dual alloy screw(PTA)2)application: injection molding machine,extrusion 3)dimension: 15mm-300mm4)hardness : HRC 58-62

the best material 38 CrMoALa,can achieve the enough hardness and streightness . can achieve the high producitivity and so many characters ,wish can satify with you .screw and barrel can be used for metal injection molding machine and extrusion machine of domestic or imported markt .