Halogen-free screw feeding tube Product Code: JCSKH57A Product Name: Halogen-free special all-alloy A-class screw Product Category: Full alloy screw machining range: 185mm diameter 12mm- diameter Processing: supersonic particle spray + metallurgically bonded alloy composition: Wc + Co + Cr, etc. hardness index: HV> 1000 secret efforts:> 118MPA straightness: 0.015mm / m surface roughness: Ra0.4um alloy plate: US Stellite Memo: sintering technology patented all-alloy, super wear-resistant, ultra-resistant, applies to 30% of the halogen 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. Production falters ------ Select Jinxin try? Give me a trust, but also you very responsibility! National free hotline: 4000-822-881 call us: Miss Wei 133 4296 3865 0755-27188830 NOTE: Because of the different needs of each product, so the product specifications also vary. If interested, call the company directly, the company will have professionals to serve you