Carbon Steel Ball, Stainless Steel Ball manufacturer / supplier in China, offering AISI 52100 100cr6 Gcr15 Suj2 Chrome Steel Ball for Bearing Size Range 2mm-25.4mm G10- G1000 Steel Ball, QS Factory Direct Sales 7.1438mm 9/32 G500 AISI1010/AISI1015/AISI1085 Corrosion Resistance Low/High Carbon Steel Ball for Auto Part Steel Ball, Gcr15 Chrome Steel Ball 12.7mm 1/2′′ 14.2875mm 9/16′′ G200 for Home Furniture, Casters Steel Ball and so on.