Precision steel 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 ... gages,Depth gages.4, thread gages,ring threads gages with many sizes,NPT,NPTF,BSPP,BSPT,NH,M...5, ... gauge8,Many go.no-go pins. Precision steel hydraulic fitting with plating zinc is available. Precision steel ...