Features:

* Ideal Application - This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other.They are perfect for drill glass, tile bottles,blocks jars, fiberglass porcelain tile ceramic, slate Mable, granite light stone

*Super Material - These diamond drill bits made of high-speed steel that is and have a long sevice life,which are high quality and good performance that excellent for making clean and accurate hole.

* &Smooth Cut - Coated with high quality diamond, the diamond saw hole  creates a high precision, smooth cut with no broken edges. Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably

*Note - When you using the diamond drill bits, please use lubrication (water),otherwise the diamond core drill will burn.Not for use on Concrete or for depths outride about 1/2".

*Can be used with a standard electric drill.

*Always use lubrication (water), otherwise the diamond core drill will burn.

*Materials and only needs water for lubrication.

*This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other.

Specifications: 

Material: Steel ，diamond

10pcs 6-30mm:(6/8/10/12/14/16/18/20/22/30mm)

Color:As Pictures Show

Package Included: 

10PCS Diamond Drill Bit 

Note:
1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.

Payment must be completed within 5 days. If you have any problems about payment, please contact us via ebay message.

We only ship to confirmed ebay Order addresses. Please comfirm that your Order address is in line with your shipping address.

Please kindly note that the combined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. 

It takes about 7-15 working days to Australia; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance.

We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, please feel free to contact us via "Ask seller a question" . We will reply your email within 24 working hours.