Abstract: Apparatus for pelletizing synthetic plastic resins, comprising an extruding die assembly having extrusion orifice sleeves pervious to liquid, a water jacket surrounding each sleeve in such manner that water will pass through the walls thereof to chill plastic being extruded therethrough while at the same time lubricating passage of the plastic therethrough. Severing means are provided at the die face for cutting the plastic into pellets as it is extruded. Optionally means are provided for collecting the pellets such as a casing that surrounds the die and the cutting means.