ZE77 Mixing Screw Element and Conveying Screw Element for Twin Screw Extruder Machine Production description: (1)Quick Details Screw Diameter 75.7 mm Screw Design Double-Screw Hardness 58-60HRC Brand ...View More
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ZE77 Silver Covey Screw Element , Extruder Screw Material HRC58 - 62 Hardness