Efficient Universal Drilling Bits

No need to add water, you can drill to the bottom in one click.

Universal various materials, efficient drilling.

Main Features
HIGH-QUALITY MATERIALS: It is made of high quality YG6X alloy as raw material. The process of oxynitriding of the cutter head strengthen the drill hardness.
SURFACE ELECTROPHORETIC PAINT PROCESS: Full-grinding and anti-rust treatment, clean and sharp without burrs
UNIQUE CROSS ANGLE DESIGN: Small incision resistance，feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, chip easily.
WIDE USAGE: Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, thin iron plate, mirrors and glass. 
5 DIFFERENT SIZES: Suitable for your different needs.It Can be installed in the general electric hand drill, bench drill. The machine drill clamp range is 10mm and above.

Specifications
Materials: Cemented Carbide
Product Weight: 70g
Tool handle type: Hexagonal handle
Product Size(Weight):    
3MM: 3*6.35*33*70MM(11g)    
4MM: 4*6.35*35*70MM(12g)    
5MM: 5*6.35*40*76MM(14g)    
6MM: 6*6.35*42*77MM(15g)    
8MM: 8*6.35*48*80MM(18g)    

Package Contents    
Universal Drilling Tool × 5