Excellent exhaust screw design featuring high plasticization, melt even stable production, and high performance gear, long service
life, and low noise.
Screw and barrel material 38CrMoAIA Nitriding
Screw hardness HV>740
Barrel hardness HV>940
Barrel nitriding thickness 0.4-0.7mm
Screw diameter 120mm
L/D 30:1
Max speed 72r/min