material:high chrome steel, 100Cr6,SUJ2,GCr15
ball precision:G40
hardness:HRc 60-67
material:high chrome steel , 100Cr6, SUJ2
ball precision:G40
hardness:HRc 60-67
material:high chrome carbon steel, 100CrSiMn6-4, GCr15SiMn
grade:G60 or G40
hardness:HRc 60-67
material:GCr15SiMn,100CrSiMn6-4,E52100
precision:G60
hardness:HRc60 - HRc67
material:chrome steel, GCr15, SUJ2
Grade:G28
Hardness:HRc61 to HRc67
material:chrome steel, GCr15, SUJ2
Grade:G28
Hardness:HRc61 to HRc67
material:chrome steel,high carbon steel, GCr15, SUJ2
Grade:G28
Hardness:HRc61 to HRc67
material:chrome steel,high carbon steel, GCr15, SUJ2
Grade:G28
Hardness:HRc61 to HRc67
steel:high chrome, high carbon and alloy , E52100
precision:G40
hardness:≤HRc67
steel:GCr15 ,100Cr6 , SUJ2
precision:G40
hardness:HRc61 to HRc67
steel:GCr15,high carbon steel, 100Cr6, SUJ2
Grade:G40
Hardness:HRc61-67
material:high chrome steel, E52100,100Cr6,SUJ2
precision:G40
hardness:HRc 60-67