... ball Production nameG28,G40,G100-G1000 high precision bearing steel balls size2MM-60MMGradeG28,G40,G80,G100,G200,G500,G1000,G2000HRC58- ... /16”~1”--10001/16”~1”--Applications :1,C10-C15 balls are case-hardened only(surface heat treatment),low carbon steel ... furniture wheels,bearings for darwers,locks,grease,nipples,sliding,blocks,toys.Any further Information,Plz contact us! AISI52100 ,GCR15,100Cr6 ...