Glass Drill Bits

Detailed Product Description

 

Glass&Tile drill

1. Super hard carbide tip, good quality Cr40 shank, auto-welding with silver material, or HF welding;

2. Drilling on glass, granite, tile and glass material, good concentricity and sharp tip could guarantee the concentricity and good quality;

3. Heat-treatment: auto net belt stove handling equipment, could meet strictly torsion test;

4. Surface treatment: Zinc-coated, black finished, electric-plated and sand-washed etc..

*Spear-pointed carbide tip reduces breakouts when drilling
*Straight shank
*Coating:zinc,black oxide,chrome,black&white