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Standard Feed Screw Construction Features
  • Chrome plating or K05 coating in root
  • Wear resistant full flight width Colmonoy 56, 83, X830, or UCAR
  • Spiral or straight Maddock mixing section for dispersive mixing
  • Pineapple, Saxton, or pin mixing section for distributive mixing
  • Highly polished streamlined surfaces
  • High quality materials and construction (manufactured from aircraft quality 4140, 4340, stainless steel or Duranickel)
Standard Barrel Construction Features
  • Bimetallic construction
  • Guaranteed straightness of 1 in 20,000
  • 58-64 Rockwell C
  • Finish to within 8-12 micro-inches
  • Enhanced abrasion and corrosion resistance
Whatever your application, we can work with you to solve your extrusion process problems or improve your current standards. Using our proven scientific approach to screw design we avoid the costly trial and error work that has historically plagued screw design. In a world where process optimization makes the difference in profitability, you need an extruder screw that is able to perform to today’s ever increasing demands. We draw from our extensive experience and knowledge base to provide you with an extruder feed screw and barrel to meet today’s and tomorrow’s demands.

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Blown film coextrusion feed screws
Dual Spiral Systems Products
DSS Extrusion Dies
DSS Feed Screws
DSS Air Rings
DSS Extruders
DSS K05 Melt Fracture Coating
Extrusion Components
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