1.Material: AISI1010/1015carbon steel ball 2.Grade:G10~G1000 3.Dia:2mm-25mm 4. High ... .04Max0.04MaxThrough Hardened Low silicate carbon ball(Si 0.04% Max) also available Application :Light duty bearing,conveyer belt,bicycle and automobile ... parts,slide bearing,caster wheels,computer peripheral products,toys,metal ...