Grade 25 AISI type 420 stainless steel balls afford the advantage of maximum hardness (50 Rockwell C ) and resist corrosion from alcohol, ammonia, food environments, fresh water, many petroleum products and organic and some mild acid environments. 420 stainless steel is a high carbon martensitic stainless steel and is often used in dental and surgical instruments, cutlery, pump shafts, plastic molds and dies, steel balls, and various hand tools.
This product was added to our catalog on Wednesday 31 December, 1969.