SST300 series are made from domestic and imported die steel.
Characteristics:
High abrasion resistance, excellent overall hardenability and stable dimension in heat treatment
SST300 series screws are suitable for SBK3, SBK5 barrel
Material: Imported die steel
Overall hardness: HRC 58°~ 60°
Heat treatment: Vacuum quenching (Preheating temperature 550 ~ 600°C)
Suitable for injection molding:
PA, LCP, PPA, PPS, PEEK, PEI, bakelite and other materials with 30% ~ 50% GF content.
Application:
Communication, transformer, auto parts, electron and electric equipment
