SST300 series are made from domestic and imported die steel.
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.
Communication, transformer, auto parts, electron and electric equipment