Over 29 years experience in Screw Barrel Line . More info pls feel free to find kaylee(at)tizatech.com .
High Speed Screw
High Quality Alloy Steel
1) 38CrMoAIA(JIS SACM645)
2) 9Cr18MoV
3) 4Cr5MoSiVI(JIS SKD-61)
4) 42CrMo(AISI 4140)
Nitriding Treatment
Vacuum Quenching
High-Frequency Quenching
Electroplated Hard-Chrome Finish
Spray Coating Bimetallic Alloy
Best regards .