... Bearing steel ball Series: 304 Stainless Steel BallsApplied Area 304 stainless steel ball can be used in iatrical instrument, ... washing machine, fridge, air condition, medicinal materials,automotive fittings,bearing, nursing bottle and so on.Speciality A representative of ... steel ball is used in many special industry as iatrical instrument,chemical industry, avigation, scent bottle, sprayer, valve, ...