915 Generation 7 Piece Black Triple-Cornered Drill Bit Carbide Tip Spear He

High quality materials: the multi-functional Triple-Cornered drill is made of high quality Cemented carbide material. Oxinitriing of head strengthens the drill hardness.
Unique angle design: low incision resistance, stable drilling, high speed, no breaking of the limit. Open , , 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 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. is fully automated, each one is unified.
Wide application: professional glass and tile drill bits allow and accurate drilling in ceramic tiles, , thin iron plates, and glass. to water or coolant when drilling. Material:Cemented carbide
colour:Black Package Contents:
7 * Triple-Cornered Alloy Drill (3/4/5/6/8/10/12mm) Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.