... rich excavator parts experience for 20 years Circular slitting blade, Rubber bonded spacer ,Spacer Scrap chopper knife,Separating ... disc ,Straight cutting blade,Characteristics of circular slitting blade in metal sheet slitting Blade material: 9CrSi, GCr15, Cr12MoV ... HSS, TC for different customers.To the circular slitting blade, steel core, spacer with OD less than 200mm, their ...