steel:forged chrome steel,100Cr6, SUJ2,GCr15
precision:G40
Hardness:HRc60-67
Material:forged chrome steel, E52100, 100Cr6,
Grade:G40
Hardness:HRc61-67
Ball Material Type:G20 Chrome Steel - AISI 52100
material:Alloy Steel E52100
Number of Items:1pc
material:Forged Chrome Steel, GCr15,52100,SUJ2,100Cr6
hardness:HRc61-67
grade:G40
material:high chrome steel , 100Cr6 , SUJ2, 52100
precision:G40
hardness:HRc 60-67