... Barrel Molybdenum Alloy Certificate ISO 9001 Nylon/PA6/PA66/PEEK Extruder Screw And Barrel For good ... meet customer's demand. Product Parameter ProductNylon/PA6/PA66/PEEK extruder screw and barrelHardness after hardening and ... type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type ...