Industry Standard Grade 100 316 Stainless Ball Bearings: High Quality Graded 316 Stainless Steel Ball bearings made from AISI 316 Stainless Steel with a hardness of 25 - 39 Rockwell Scale equivalent to 140 - 160 HB (Brinnel Scale). These are the same stainless 316 steel balls used to manufacture bearing assemblies and have a high duty and life cycle.
Unhardened austenitic stainless steel with good corrosion resistance to sea water, dilute nitric, sulphuric and acetic acids, photo chemicals, inks, bleaches, dyes etc. Can be machined / drilled