Glass Tile Drill Bits

These tungsten carbide spade bits used for drilling holes in glass, mirrors， ceramic wall and floor tiles. They will also work in the old type super hard fiber cement board commonly used for house soffits.

Feature：

1. Made of high quality cemented carbide. Good performance, making clean and accurate holes for you.

2. Best hole drilling result with lower rpm and good cooling with water, vinegar and turpentine.

3. New tip design reduces breakout and the bit features a carbide tip for extended bit life

Diameter from 3mm to 16 mm