Introduction: stainless-steel balls constructed from 304 and 316 grades give corrosion resistance and durability, with hardness ranges in between HRC26 and HRC30 ensuring longevity in demanding industrial works by https://kangdasteelball.com/products/high-quality-steel-balls,-10mm-158mm,-made-of-304-or-316-stainless-steel,-suitable-for-drilling-threads