Precision hydraulic fitting with plating zinc,We fabricate metal parts over 5. ... :1,100 SET OF CNC machines for high output with quick delivery 2,Skilled and rich experienced staff.We ... equipments1, Callipers,2,Micrometers3,Height gages,Depth gages.4, thread gages,ring threads gages with many sizes,NPT,NPTF,BSPP ... go.no-go pins. Precision steel hydraulic fitting with plating zinc is available.