mold component sprue sleeve bushing S45C CR20 SKD-61 customized A/C type

The sprue sleeve is embedded with the positioning ring. Its ports connect to openings in the sprue or directly to the mold cavity, depending on the setup. The plastic flows through the runner under the guidance of the sprue sleeve, enters the mold cavity through the gate, or directly enters the cavity      Default material：S45C  If you need other materials, please contact us