extruder screws and barrels

For single screw and twin screw extruders

Extruder Screw Barrel Manufacturer

Plastic Machinery is a professional extruder screw barrel Manufacturer, also a supplier of all sorts of screw barrel with the screw diameter from 12 mm to 500 mm, length up to 8000 mm.
We can supply nitrided, chrome plating, stainless steel, bimetallic and surface spraying technology treatment for different demands .

Devote on Extruder Screw & barrel

Plastic Machinery is an industry-leading plastic feed screw provider from general-purpose applications to unique specialty screw and barrels. Our wide selection and solutions includes injection molding and extrusion feed screws for your specific need. From low-shear designs, venting, mixing, up-sizing or down-sizing injection units , or whatever your specific processing requirements, Plastic Machinery can provide the feed screw solution you need.

Screws and Barrels for Plastic Extrusion Machine

Barrels, Screws, Screw Tip Valves, Screw Tip Assemblies, Check Ring, Rear Seat, End of Barrel, Barrel End Cap Adapters, Nozzle Bodies and Nozzle Tips, Nozzles.

Screw Barrel for PE PP Pipe

PPR/HDPE Pipe Screw Barrel

blowing film screw barrel

PE Blowing Film Screw Barrel

PVC/PP/PE Sheet Extrusion Screw Barrel

PVC/PE Cable/wire Screw Barrel

PE PP recycling screw barrel

PE/PP Recycling Granulation Screw Barrel

PS/XPS Foam Screw Barrel

Extrusion Twin Screw Barrel

Rubber Extrusion Screw Barrel

Professional Manufacturer for All Types of Exturder Screw and Barrel

Plastic Machinery is a professional China Injection molding screw barrels Wholesalers and Injection molding screw and barrels Manufacturers

We produce injection moulding screw barrel per drawing; for popular brands like Haitian, the code is sufficient to get started, please be wild free to contact us representative to get your work rolling.

The size we produced injection moulding screw barrel include ¢16, ¢30, ¢60,¢70, ¢80, ¢90, ¢110,¢170, ¢220 and other diameters.

Base Materials

Alloy Steel: 4140 steel(AISI 4140), Nitralloy 135M, GB 38CrMoAlA, JIS SACM645, BS EN41B, 34CrAlNi7, DIN 1.8509, DIN 1.8550, 41CrAlMo7, or equivalents.
Stainless Steel: 304, 316, 416, 17-4PH
Tool Steel: D-2, H-13, DC53, CPM 9V, CPM 10V
High Nickel Alloys: Hastelloy C-276, Inconel 625, Inconel 718

Flight Hardfacing Materials:
Nickel base: Colmonoy #56, Colmonoy #57, Colmonoy #83, Colmonoy #88
Cobalt base: Stellite #6, Stellite #12

Surface Hardenings:
Gas nitriding and Ion nitriding, Chrome plating, Carbide encapsulating, PVD coating, etc.

Technical Specification

Hardness After Hardening & TemperingHB280-320
Nitrided HardnessHV900-1000
Nitrided Case Depth0.45-0.8mm
Nitrided BrittlenessLess than Grade 2
Surface RoughnessRa 0.4
Screw Straightness0.015mm
Alloy HardnessHRC 50-65
Alloy Depth0.8-2.0mm

Scope Of Application

  • flexible packaging: film extrusion and co-extrusion (blown film and cast film)
  • rigid packaging: extrusion blow molding, rigid film and sheets extrusion
  • plastics recycling: film recycling and regranulating(HDPE/LDPE/LLDPE/PP),
    non-woven spun-bond PP/PP woven bags recycling and pelletizing;
    nylon/PA filament, net and mesh recycling and repelletizing
  • PET monofilament/strap extrusion
  • extrusion coating and lamination
  • cable and wire: PVC/XLPE cable jacketing and sheathing
  • plastic conduits, ducts, pipes, tubes and hoses
  • plastic profiles, sheets, boards and panels


We Can Help You With Screw Barrel for Extruder

Professional design and manufacture of precision screw barrels for rubber and plastic machinery parts.


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