Professional Drilling Diamond Core Drill Bit for Stone Concrete

Basic Info.

Product Description

Diamond core drill bits, also called diamond hole saw in some place, is one of the most common diamond tools and designed to remove a cylinder of material, to make holes for different purposes. Such as holes on the concrete wall for pipes, holes on porcelain tiles or granite worktops, or also used for sample core extractions in the mining industry.
Diamond core drill bits is a hollow steel tube with diamond tipped segments. According to the different models, they are available from the diameter 12mm until 1000mm and from the length 150mm until 500mm.

Please let me know

1) the diameter, working length and connection type

These 3 specifications are needed when buying core drill bit. Connection type decides if the core drill bit could match your machine; Working length and external diameter decide if the result of drilling could meet your project.

2) the type of material will be drilling, like concrete, reinforced concrete, granite etc

We make different formula of segments for different materials, to gain the excellent performance. What's more, there are also some popular segment type for your choosing, and the crown type usually used in external diameter of 20mm, 24mm, 26mm, 30mm, 35mm.

1.What is the minimum order we should buy?
Please contact me to get the MOQ for the core drill bits.
If the total weight reaches 21kg, you can get the best offer from the express company.
2.How could we know the quality of your core drill bits?
You can buy our core drill bits 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 on the sample order.
To provide you the most suitable core drill bits segments, please confirm all the technical details with me before you place an order.
3.If your core drill bits are not in satisfactory performance, what should I do?
Please contact me, give me the feedback, we will give you a satisfactory solution. Meanwhile, we will send you a free sample for the second testing.
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