Minimum order quantity is 1 set , delivery date is about 4-5 weeks , warranty is about 1 year
 More infoo pls feel free to find 
sales(at)tizatech.comEXTRUDER BARREL SCREW
 Raw Material : 38CrMoALA(SACM645) 1.8550 Bimetal Stainless Tough Harden Tool Steel
Surface Roughness : Ra 0.4um
 Linearity : 0.015mm/m
 Nitrided Hardness : 950Hv
 Nitrided Depth : 0.5-0.7mm
 Nitrided Brittleness : 2
Special Description : 
 - High speed and output single screw for extruder 
  - Ni-based alloy screw used for high temperature and corrosion , specialized for Fluor plastics 
  - Special screw for food and medical grade products 
  - Customized screw as customers requirement