The new DTA Tornado Series M14 diamond dry drill bits range from ½” to 1-3/8”. They are ideal for cutting a large range of materials.
DTA Tornado Series diamond dry drill bits range from 1/4" to 1-3/8". They have a wax core for coolant. Ideal for porcelain, ceramic and stone.
The DTA core drill bit range extends from 5/32" to 4-1/2" in size. They are designed to be used with water and are ideally used with suction cup guides. They are suitable for drilling porcelain.