Diamond Drilling Bit

Sintered Diamond Drilling Core Bits(also called hole opener) is suitable for granite hole opening, the cutter teeth belong to hot pressing sintering, more sharp, more wear-resistant, fast opening. The sintered hole opener has a variety of specifications ranging from 6-60MM to meet the needs of various sizes of granite holes.

The sintered diamond bit produced by CDT has the characteristic of High efficiency, long lifespan and fast drilling.

Used for drilling all kinds of stone, commonly used for drill pipe holes in the surface of decorative stone, equipped with a hand drill and desktops, is the electric motor drive, use the smaller size of the diamond bit, not specified are wet processing.

 

This type of hole opener is dedicated to stone without positioning center drill. When it is used, it must be tilted at a slow speed at 45 degrees to contact the stone on one side after opening the crescent groove, and use this crescent to locate the position. Then drill the holes vertically. In this way, the opening operation can be completed smoothly. In the process of opening the hole, be sure to add water to cool the hole opener to avoid burning the diamond segment at high temperature.

 

Q1: How to order?

A1: Please contact our customer service to let us know what size diamond drill bits you need, what stone, and the performance requirements. We will quote you your requirements, delivery time and expected usage results.

(You would see the inquire options on the product page, or you can contact us by finding the phone, email, WhatsApp at the far right and bottom of the page.WhatsApp is better :-)

Q2: I don't know what kind of stone I want to cut and how to place an order

A2: It's simple. You just tell us where you are, and take pictures of stone or videos of stone cutting. Our products are sold all over the world with rich experience. We can basically judge which kind of stone is by photos.

A3: Why are other drills so cheap?

Q3: This drill is specially designed for granite, suitable for professionals to use, and suitable for long-time drilling. It is characterized by sharpness and long service life. For our ordinary homeworking use or household decoration, we can choose electroplating or brazing products. The service life of electroplated and brazed bits is shorter, but the price is cheaper

Q4: If we make the payment, how long you will make the shipment?

A4: It depends on the quantity of order. Our Monthly production amount of diamond segments will be more than 3, 000,000pcs.

Usually we can send the goods within one week on receipt of payment

Special specification products by negotiation.

Wanlong will inform the approximate shipping date before you place order.

Q5: How can i get free samples?

A5: When testing the product, you only need to pay half of the normal price. When you place an order, we will give you a set of products regardless of the quantity of the order. It is equivalent to that you get a set of products for free.

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