. (Extruder barrel, plastic extruder barrel, alloy screw barrel) material with: screw assembly can be used separately: full alloy series, double alloy series; optional dual-alloy cylinder series, SKD61. Process: screw barrel can be used separately as a whole fully hardened, nitriding, spraying alloy, cast alloy double. Adhesion strength: 10000psi above surface finish: Screw surface is less than 0.04um surface hardness:. HRC59-68 degrees. Special screw barrel PA group (high wear resistance, corrosion resistance, high temperature high pressure) Scope: adding glass fiber nylon PA6, PA66, PA46, PA6T, PA9T. Applicable products: electronic components, electrical instrumentation, automotive parts. If you like long fingers, how to meet the different needs of users? Jinxin never compared to just break their own people! We have been working hard! Every year, every day, we are making progress! We lead, others follow. Jinxin - to create a new era of Chinese runner. ------ Select Jinxin production falters try? Give me a trust, but also you are very responsibility! NOTE: Because the different needs of each product, so the product specifications vary as those interested can call directly to my company, the company will have professionals to serve you.