The screw is a replacement element of an extruder and constitutes its integral part. The screw is made of special highly alloyed steel. All surfaces exposed to abrasion are hardened by nitriding technology. The screw is ended with a mixing head. The shape and dimensions of screw head may be selected individually depending on the type of the extruded product and the extruder head.

Screw diameter (D): 10, 16, 25, 30, 32, 38, 45, 60, 75, 80, 90, 120, 150 mm

Screw length (L): 15D, 20D, 25D, 30D

Types of screws:
• Double lead screw BM type
• Single lead screw, high efficient
• Single lead screw, classic

Types of screw heads: flat; conical; mixing; cutting