surface roughness ra0 4um conical tandem screw system

{"cid":"91222495","title":"Conical Twin Screw and Barrel with Max Output Capacity 150kg\/h Customizable Barrel Length and Surface Roughness Ra0.4um 51\/105","imgUrl":"https:\/\/img.chinax.com\/nimg\/8f\/b8\/1b02fb9c457df599721333bc3a1d-200x200-1.jpg","attrs":{"Price":"USD $2200\/set","Brand Name":"Jialong","Model Number":"51\/105","Minimum Order Quantity":"1 Set","Delivery Time":"1-35 Work Days","Place Of Origin":"China","Certification":"ISO9001","Packaging Details":"Woodern Package","Payment Terms":"T\/T","Barrel Hardness":"HRC 58-62","Surface Roughness":"Ra0.4um","Max Output Capacity":"150kg\/h","Barrel length":"Matches Screw Length, Customizable","Nitriding Treatment":"Gas Nitriding","Product Material":"38CrMoAl","Product Application":"Plastic Extrusion","Product Nitriding Depth":"0.5-0.8mm"}}

{"cid":"91188450","title":"Bimetallic Nitride Conical Twin Screws WPC PVC PE Industry \/ Extruder Screws And Barrels","imgUrl":"https:\/\/img.chinax.com\/nimg\/e9\/e9\/340591d39d67a416a69ec30f8e17-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"BLM-IV-1","Minimum Order Quantity":"Negotiation","Delivery Time":"25-30 days subject to the clients' requirement and quantity","Place of Origin":"Jiangsu, China (Mainland)","Payment Terms":"Western Union, L\/C, T\/T","Supply Ability":"1000 per Month","Packaging Details":"packed and labeled according to the regulations and customer's requests.Great care is taken to avoid any damage which might otherwise be caused during storage or transportation.","Place of origin":"Jiangsu,China","Material":"316L\/X260\/W6Mo5Cr4V2 or customized","Spare parts type":"spare parts for twin screw exruder","Application":"Machinery Repair shops,Food an Beverage Factory","Center distance":"26mm","Screw distance":"30mm","Dimension\uff08LxWxH)":"120x135x115mm","After warranty service":"Video technical support,online support"}}