Plastic Machibe Bimetallic Screw and Barrel/Tungsten Carbide (65/132) 

Specification: Screw diameter: 15mm-300mm Maximal length: 8000mm Barrel inner diameter: 15-300mm Maximal length: 4000mm Different bimetallic alloys are available for different raw materials. 1. Tungsten carbide screw and barrel 2. High output 3. Low power 4. Low noise leve Application: Injection molding machine, extrusion Base Materials: (1)38CrMoAlA(JIS SACM645) (2)42CrMo(AISI 4140) (3)9Cr18MOV Technics: Heat treatment Nitriding treatment Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000HV Nitrided brittleness: Less than grade 1 Surface roughness: Ra0.4 Linearity of screw: 0.015mm Bimetallic layer depth: 3mm Warranty and service: 1 year Experienced manufacturer, we will be your best choice.