... 304/ 316 2. Stainless ball for chain 3. Precision Steel ball Stianless steel ball Jewelry: 304 Stainless Steel BallsApplied Area 304 ... in the industry of high precision and antirust: motorcycle fittings, chain wheel,stainless steel bearings, plastic bearings, craftwork, valve, petroleum ... and so on.Speciality It is also called stainless iron,it is magnetic and has good antirust capability.The HRC ...