extrusion screws extrusion screws
extrusion screws


In complement to the screw, the barrel must be steel compatible.

There is no standard for barrels.

Material choice

  • Nitrided steel

abrasion resistant

for not charged or little charged polymers.

not suitable with carbide armoured screws.

  • Bimetallic

ABR : abrasion resistant, more than nitrided.

ABR/COR : abrasion + corrosion resistant.

COR : only for corrosion resistance as with fluoropolymers. 

800 : the most resistant in abrasion and corrosion.
not suitable with nitrided screws.

For heating collars¦
For heating pins¦
With regulation coil
Regulation with Outer jacketing
Wet liner for regulation