hrc 58 62 hardness screw and barrel combination for extruder

{"cid":"91222495","title":"Chrome Plated Single Screw Extruder Screw Barrel with Water Cooling and HRC 58-62 Hardness for Industrial Extrusion","imgUrl":"https:\/\/img.chinax.com\/nimg\/8d\/6a\/0636eb2e4b8b32fedd1f07b3a31a-200x200-1.jpg","attrs":{"Price":"USD $1500\/set - USD $4500\/set","Brand Name":"Jialong","Minimum Order Quantity":"1 Set","Delivery Time":"1-35 Work Days","Place Of Origin":"China","Packaging Details":"Woodern Package","Payment Terms":"T\/T","Supply Ability":"300 Piece\/Pieces Per Month","Screw Surface Treatment":"Chrome Plating, Polishing, Etc.","Nitriding Treatment Time":"7-10 Days","Screw Surface Roughness":"Ra0.4um","Cooling method":"Water Cooling Or Air Cooling","Surface Roughness":"Ra0.4um","Bimetallic Hardness":"HRC 58-62","Wearresistance":"High Wear Resistance","Barrel Bore Straightness":"0.015mm"}}