100% brand new and high quality.

Ideal application -this diamond coated core drill bit removes a complete circle from glass, marble, tiles, granite, ceramic or other. 

Super material - these diamond drill bits made of metal that is durable and have a long service life. Feature drilling stably, fast speed, not breaking the border.

Sharp & smooth cut - coated with high quality diamond, the diamond hole saw creates a high precision, smooth cut with no broken edges. 

Attention: Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably

Specification:

Material: diamond + metal

Color: silver

Surface treatment: electroplated

Hole diameter available are :

6/8/10/12/14/16/18/20/22/25/28/30/32/35/38/40/45/50/55/60/65/70/90/100mm