Features 1、The high‑quality materials and fine grinding technology can make the cutting edge of the drill sharper. 2、Reduce cutting force and broken drill bit, improve the quality of hole wall. 3、Suitable for the processing of metal parts such as PCB, SMT CNC boards, molds, plastics, copper, and stainless steel. 4、Made of tungsten carbide material, it has high hardness and strength, and is durable. 5、If the nozzle is blocked, gently rotate the drill clockwise, do not insert it directly, it will cause the drill bit to break! Specification Condition:100% Brand New Item Type: Micro Drill Bits Material: Tungsten Carbide Drill Bit: Approx. 0.5mm / 0.02in Quantity: 10pcs How to use: If the nozzle is blocked, gently rotate the drill clockwise, do not insert it directly, it will cause the drill bit to break! Package List 10 x Micro Drill Bit