Carbon Steel Ball, Stainless Steel Ball manufacturer / supplier in China, offering Dia8mm Grade 100 13.494mm G20 304c for Stamping Hydraulic Parts Hardened AISI 420 Stainless Steel Ball, 13.494mm G20 Stainless Steel Ball for Stamping Hydraulic Parts Stainless Steel Ball, 3mm 3.175mm 1/8" 3.5mm 3.9688mm Gcr15/AISI 52100/100cr6/Suj2 Chrome Bearing Steel Balls G20-G1000 Steel Ball and so on.