Specifications:
1.material:SUJ22.hardness:HRC46-50
3.Precision:0.005mm,0.008mm.
4.Model: er8/11/16/20/25/32/40/50.
Features:
Surface"environment protection",special coating surface treatment,improve the
hardness and endurance of the surface,cleaness better,accuracy stable,surface
more smooth,antirust,feel comfortable,apperance nice.
Superb machining technology
Superb machining technology
1.Thermal aging processing:100h long stereotyped thermal limitation removal of grinding residual stress;
2.Cryogenic treatment:-185° long cryogenic,nearly all of the residual austenite into martensite