... single screw extruder 2)Die head mould( φ20-φ63 ) 3)SJ25/25 single screw extruder 4) Stainless steel ... 6)Traction machine 7) Chadless cutter 8)Stacking adapter 3. SPECIFICATIONS: 1) 65/30 single-screw extruderScrew Dim ... and core mould (φ20,φ25,φ32,φ40,φ50, φ63)Material: 40Cr sizing dia. Unit(φ20,φ25,φ32 ... ,φ40,φ50, φ63), Material: tin bronze 3) 25/25 single-screw extruderScrew Dim.: φ ...