Description Steel ball,steel shot,steel bead,steel grit, cast ball, iron ball Grinding ball Chrome steel ball 52100 steel ball GCr15 steel ball Bearing steel ball Bearing ball Solid ball Hardness ball Features Material Gcr15, AISI52100.... Size 2mm-200mm Grade 10-1000 Hardness above 60HRC Package In carton, wooden cases or according to customers' requirements |