1Pcs TiCN Coated Solid Carbide Flat Bottom Drill Bit 0.5mm-5.0mm Twist 2-Flute
The angle of the tip is 180 °, which is mainly used for processing inclined surface and curved surface surface holes. It can also reduce the burr of the through hole. BB Flat Drill（1pcs）. General drill bit is more suitable for plane drilling.