AISI 52100 chrome alloy steel balls offer high hardness and excellent resistance to wear and deformation. Used by leading manufacturers of precision ball bearings where precise spherical and tolerance accuracy are required. Stainless steel balls are AISI type 440. Stainless balls offer maximum uniform hardness and outstanding corrosion resistance for valve and bearing applications. See page for tungsten carbide and ceramic balls. Other sizes available as special order. Please call for price and delivery.