September 22, 2017 By CoffyAMP
420 Stainless Steel BallsApplied Area:420 stainless steel ball is used in the industries of high precision and antirust: motorcycle fittings, chain wheel, stainless steel bearings, plastic bearings, craftworks, valve, petroleum facilities and so on.
Speciality:It is also called stainless iron, it is magnetic and has good antirust capability. The HRC is 50-55.