... ) Re balls: chrome steel, stainless steel (SUS420J2, AISI304, AISI316, AISI316L, AI Features:1) Re balls: chrome steel, stainless steel (SUS420J2, AISI304, AISI316,AISI316L, AISI440C, AISI430), carbon steel (AISI1015, AISI1085 ... balls, soda-lime glass precisionballs, tungsten carbide, and grinding media2) Re rollers and needles, we mainly supply chrome steel in G5, G3, G2 bearing Balls ...