7 Piece Black Efficient Universal Tool,Multifunctional Cross Triple-Cornered Drill Bit Carbide Tip Spear Head(3-12 mm)
- High quality materials: the multi-functional cross Triple-Cornered drill is made of high quality Cemented carbide material. Oxinitriing of the knife head strengthens the drill hardness.Unique cross angle design: low incision resistance, stable drilling, high speed, no breaking of the limit. Open neatly, smooth, no broken edges, no trembling phenomenon, easy to splinter.7 different sizes: Tile drill is suitable for your different needs. It can be installed in general hand drill, bench drill. The clamping range of the machine drill is 10 mm and more.Surface electrophoretic painting process: full grinding and rust protection treatment, clean and sharp without burrs. The drill bit is more wear-resistant and durable. Fully automatic polishing. Polished CNC is fully automated, each one is unified.Wide application: professional glass and tile drill bits allow smooth and accurate drilling in ceramic tiles, marble, thin iron plates, mirrors and glass. Remember to add water or coolant when drilling.
