... ,CNC machine etc.7)Commodity list:: CommodityProjectBottom hole with angle upper slotter bladeMaterialSKD11,D2,DC53Tooth shapetriangle,cavernousHole positionupper, ... s requestService typeOEM,ODM etc.8)Advantages: Bottom hole with angle upper slotter blade are suitable for all kinds ... strictly.Theseries of knives make the incision margin of slitting materials neat,bright,clean,no burr andrough edges.Our ...