Place of Origin : Pudong,China

extruder screw barrel1.Quick DetailsPlace of Origin: Zhejiang,Website:http://www.fuyugroup.net, China (Mainland)Brand Name: FYModel Number: extruder screw barrelBase material: 38CrMoAlA（EN41B）Surface treatment: nitride or bimetallicSurface hardness: 900-1000HVSurface roughness: Ra0.4Nitride brittleness: <= Grade 2Surface straightness: 0.015mmBimetallic thickness: 1.5mm~3mmNitride depth: 0.5~0.8mmSpecification Of Extrude Screw: Ф16-Ф300, biggest L/D Ratial Up To 55Size: as per customer's drawi