Extrusion Screw and Barrel 1.For twin screw extruder 2.15-300mm screw diameter 3.0.7-0.9mm nitride depth

Single Screw and Barrel Ranges: 

Screw Diameter:	15mm -300mm
Screw Length:	L/D ratio 15 - 46

Bimetalic screws and barrels available

Single Screw and Barrel Technical Specifications:

Steel Material	DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA
Heat Treatment	Nitride depth: 0.7 mm - 0.9 mm
Surface hardness:	HV900 - HV1,000
Chromate plating:	Thickness 0.05 mm - 0.10 mm, hardness HV950
Special treatment:	Carbide coating on screw flight and bimetallic barrel
Screw straight tolerance	0.015 mm/m
Surface roughness	Ra 0.4μm

Extrusion Screw and Barrel