... Z4861/4/...; 2. Europe HASCO/O standard Series Precision mould date code:1.Type: ZZ4861/1/..Z4861/2/…ZZ4861/3…,ZZ4861/4 ... 5/…,2. Europe HASCO/O standard SeriesOur main products are Date marked pins, Air poppet,Slide retainers,Pipe plugs, Mold Coupling ... molds, pipe plugs, date stamps, slide retainers, mould counters, packing locks, air poppet valves and baffle and latch locks. Precision mould date code