... &boring parts 3.High precision&competitive price 4.According customized d Precision stainless steel fittings1.Material: Copper ,brass,steel, stainless steel,AluminumThe machined parts can ... :precsion machined steel parts, investment castings,forged shafts,transmission components,gear & worms,screwed connectionhigh accuracy ss parts,sheet metal stamping parts,etc.4.Featureshigh precision ...