... fastener by mold making and injection moulding,cross recessed pan head PEEK screw,cross recessed flat head PEEK screw,hexagon ... 3*3mm) -to-medium size and high-precision plastic part and plastic injection mould for electronic products,industrial product,communication ... ,medical product,petrochemical industry,automotive industry,aerospace,(OEM). Various plastic materials: PP,PE,PS,ABS,PVC,POM,PA,PBT ...