Screw SKD61 Hitachi developed the wearable black SKD61, vacuum gas induction hardening and soft nitriding treatment, it not only has the overall hardness and toughness with internal structure, such a screw completely lifted high brittleness of adverse factors its wear resistance than double alloy screw. Uses distinction: Injection Molding Machinery (horizontal / vertical), extrusion machinery, bakelite machining range: diameter ￠ 15mm- ￠ 250mm effective length: 8000mm overall hardness: HRC62o-66o Scope: PA, PC, LCP, PBT etc. plus fiber 15% -40%, and electrical engineering plastics timber as long as if 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.