Welcome to visit us in the following stone fairs:

1.-Concrete Show in Indonesia booth number is:  6315A (2018)
2.-Marmomac Stone Fair in Verona booth number is:  E4-2 (2018)
3.-World of Concrete Fair in Las Vegas booth number is:  S11345-4 (2019)
4.-Xiamen Stone Faie booth number is:  B3002 (2019)

Diamond Core Drill Bit for Concrete

This diamond concrete hole saw drill bitare designed for drilling concrete,asphalt and reinforced concrete, we can also adjust the segment formula to drill granite, marble and stones.It's the most widely used diamond concrete core drill bits. 

These premium quality diamond concrete hole saw drill bit are engineered for exceptional footage and fast/aggressive drilling characteristics. We adopt the industrial grade diamond powder and Cobalt powder to produce our diamond core bits, so our diamond core bits have a stable drilling performance and superior lifespan. High diamond content yields excellent life and drilling efficiency through heavily reinforced concrete, marble, granite, refractory brick and other hard materials. We use the grade A quality steel tube to ensure the drill bits run precisely.


Wet using is recommend for this diamond core drill bits, feed enough water will extend its lifespan and provide a faster drilling speed.

Product Feature

1. Silver brazed

2. Good sharpness & superior life

3. Excellent for concrete drilling

4. Professional technical support and solutions

5. Saving your time and money, making your drilling easier


FAQ:

Why buy diamond concrete hole saw drill bit from SUNNY?

1. Factory directly.

2. Quality guranteed but low price.

3. Professional technical support and solutions.

4. Excellent after-sale service.

5. 24 hours response

How could we know the quality of your diamond concrete hole saw drill bit? 

You can buy our diamond concrete hole saw drill bit with a small quantity first, testing our quality and service. For small quantity, you don't need to take the risk in case they don't fit your market. To support you test our products, we offer you a discount for the sample order.

To provide you the most suitable diamond core bits, please confirm all the technical details with our engineers before you place an order.

What is the minimum order we should buy?

For diamond concrete hole saw drill bit , 5pcs.

If the total weight reaches 21kg, you can get the best offer from the express compan

About Sunny:
Established at the year of 1996, QUANZHOU SUNNY SUPPER HARD TOOL CO.,LTD. is a professional diamond tools manufacturer for concrete,Asphalt and Mansory. We focus on producing fast speed tools, to help clients save energy consumption and Labour cost.
We select suitable diamond grit and diamond concentration, design various bond for different hardness and abrasiveness material. Can offer a complete solution to your diamond tool needs, including diamond segments,diamond wire saw,diamond blades,diamond fickerts,diamond Frankfurt,diamond router bit,diamond cup wheel,diamond grinding plates,diamond polishing pads and diamond core bit etc.The deep understanding for customer's demand and strict quality control help us developing quickly, we wish to get your collaboration to achieve our objectives together!





Please send us message for more details,thank you for your cooperation!