3.25mm Diameter Grade 1000 AISI 304 Stainless Steel Ball Bearing

General Purpose Grade 1000 304 Stainless Ball Bearings: High Quality Graded 304 Stainless Steel Ball bearings made from AISI 304 Stainless Steel with a hardness of 25 - 39 Rockwell Scale equivalent to 140 - 160 HB (Brinnel Scale) the hardness is all the way through the ball. These are the same stainless 304 steel balls used to manufacture bearing assemblies and have a high duty and life cycle.
Un-hardened 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.
Manufactured in compliance to the following international standards: AISI 304 / AFN Z6CND17-11 / DIN X6 Cr Ni 18.09 / JIS SUS 304 / Wks 1.4301