SDD Premium Glass&Tile Drill Bit w/CL. shank

1, Patented SDD designed spear carbide tipped drill bits for those heavy-duty drilling various rough tile/ceramic/porcelain/glass materials.
2, 4 sided design diamond ground with agressive cutting edges(special sharpening).
3, Wave designed carbide increase cutting durability with extra longer life.
4, Total length improved.
5, Agressive tip improve precision and penetration.
6, Drilling through up to class 3 ceramic tiles.
7, Better resistance to high temperature when drilling.
8, Speed up dust extraction and ideal for deep materials.
9, Suitable for more materials: non-tempered glass, plastic, composite, brick, marble,etc.
10, Vaccum copper alloy soldered guarantee the heavy-duty drilling work.