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Screws for injection moulding machines

we manufacture and deliver in the following variants:

  • nitrided screws
  • hardened screws EXTRA
  • hardened screws EXTREM
  • hardened screws CPM
  • NITRIDED screws - basic variant suitable for processes without the addition of glass fiber and other additives
Diameter in mmLenght (max.) in mmNitrided layer depth in mmWeld thickness in mmHardness
  20 ÷ 75060000,5 ÷ 0,7-950 ± 80 HV
  • HARDENED screws EXTRA – suitable for processes with higher wear resistance requirements, for processing materials with glass fiber content up to 30%
Diameter in mmLenght (max.) in mmNitrided layer depth in mmWeld thickness in mmHardness 
  20 ÷ 7503500-1,5 ÷ 2,556 ÷ 60 HRC
  • HARDENED screws EXTREM - suitable for processes with high wear resistance requirements, for processing materials with glass fiber content of over 30%
Diameter in mmLenght (max.) in mmNitrided layer depth in mmWeld thickness in mmHardness
  20 ÷ 7503500-1,5 ÷ 2,560 ÷ 64 HRC
  • HARDENED screws CPM 
Diameter in mmLenght (max.) in mmNitrided layer depth in mmWeld thickness in mmHardness
  20 ÷ 7503500-Hardened  throughout
the whole cross-section
58 ÷ 61 HRC