ra0 4 plastic extrusion screw and barrel

{"cid":"91222495","title":"Ra0.4um Surface Roughness Extrusion Screw And Barrel Set For Optimal Plastic Extrusion","imgUrl":"https:\/\/img.ismap.com\/nimg\/c4\/ea\/36fe85e8bfe70a02b6e6bb2c14dd-200x200-1.jpg","attrs":{"Price":"1 pieces","Brand Name":"Jialong","Delivery Time":"1-35 work days","Place of Origin":"Zhejiang, China","Packaging Details":"woodern package","Supply Ability":"300 Piece\/Pieces per Month","Screw Length":"800-8000mm","Hardness":"HRC55-62","Surface Roughness":"Ra0.4um","Surface Treatment":"Nitriding","Screw Structure":"Separate Type","Screw Type":"Single Screw","Barrel Cooling":"Air Cooling Or Water Cooling","Nitrided Hardness":"900-1000HV"}}

{"cid":"91189943","title":"Electric Heating Alloy Steel Screw & Cylinder Assembly with Water Cooling","imgUrl":"https:\/\/img.ismap.com\/nimg\/52\/a9\/5f2a1058b6e3ed0999550a760b9b-200x200-1.jpg","attrs":{"Brand Name":" barrels for twin screw extruder ","Model Number":"150 barrel ","Place of Origin":"CHINA","accuracy":"0.03mm","barrelType":"Segmented","screwSpeed":"0-220rpm","material":"Alloy Steel","barrelCooling":"Water Cooling","diameter":"50-300mm","hardness":"HRC50-55","barrelLength":"3000mm"}}