Description of Dtacke Degree Chamfering Chamfer Countersink: Achieve Precision and Efficiency with Every Cut
6Pcs Hss Drill Chamfer Chamfering 90 Degree 3 Flute End Mill Cutter Drill Bit. It is suitable for use in the workpiece which the hardness is under 25 degrees,such as aluminium sheet,thin iron plate,the insulating board or PVC board. The high-quality countersink drill bits can remove burrs well without leaving scratches. The countersink drill bits set with titanium coating are very sharp, with a high circular machining accuracy and durability. The drill bits of standard sizes are compatible with all kinds of common drill and drilling machine, including vertical drilling machine.