SINGLE/TWIN
SCREWS & BARRELS
We also manufacture Single/Twin screw and barrels
for Extruders and Injection Moulding machines,
upto 150mm dia. in any L/D ratio. Whether your
requirement is for existing or you need new design,
leave the problem to our team of experts!
Screws are usually made from 4140 grade steel,
stress relieved and hardened to 32 Rc with the
screw OD flame hardened, hard faced with Stellite
6 or tungsten carbide coating. Other materials
like Nitralloy or Stainless steel are also selected.
The common materials for the barrel are D2 steel
hardened or Nitralloy steel gas nitrided. Hastalloy
can be offered for processing polymers with abrasive
fillers, e.g glass fibres.
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