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Contact us: Fujian Nanan Boreway Machinery Co.,Ltd.,ADD: HuaHui Center, Shuitou Town,Quanzhou, Fujian, China,                 ...
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2" 51mm Laser Welded Diamond Dry Core Drill Bit For Drilling Granite Marble Nature Stone With 5 Segment

  • Use:Dry Use
  • Length: 100mm
  • Diameter: 51mm
  • Connection:5/8"-11
  • Model: BW-DDB-D51
  • Application: Granite,Marble,Quartz Etc Stone
  • Machine:Hand-Held Electric Drills Or CNC Machine
  • Name: D51x100Lx5/8"-11 Diamond Coring Drilling Bit
Product Description:

D51x100Lx5/8"-11 Diamond Dry Core Drill Bit Manufacturer,For Granite mainly used for drilling stones, production process is high frequency welding or laser welding, Diamond Dry Core Drill Bit Manufacturer usually used on handheld drill machine, the drill bit is made of high quality diamond powder and metal powder, has long lifespan and stable performance.

This kind Diamond Dry Core Drill Bit Manufacturer standard diameter is 51mm, length is 100mm, connection is 5/8“-11 and processing is by sintered,mainly used for drilling stones.

Diamond Dry Core Drill Bit Manufacturer
are sharp, durable, and small in breakage, and are well received by users.

BOREWAY China Diamond Bit Core Drill Bit Manufacturer Advantage:

1. Diamond Core Drill Bits can be used for cutting holes in concrete, stones, bricks, blocks, masonry.
2. Can be Wet or Dry use. Used with water for cooling and lubrication can prolong its using life.

3. Easily operate on the Angle Grinder. Need an adapter for drill or other machine, such as hex, round shank etc. (not included here).

4. Large clearance hole facilitate the entrance of cooling water and the escape of chips and other particles from drilling. Makes drilling process much easier.


1. Excellent performance and reasonable price.

2. Suitable for all kinds of hand-held electric drills or CNC machine tools.

3. It is brazed with high quality diamond and can withstand high-speed drilling.

4. The diamond blade is uniform and sharp, and the drilling efficiency is high.

5. Diamond Dry Core Drill Bit Manufacturer a water outlet hole in the center of each drill bit, which is conducive to chip removal and heat dissipation, so it has a long service life.

6. This product is of high quality and is mostly used for export, and has been well received by customers in Europe, America, Brazil and many countries and regions.

Product Specification:

Specification of China Diamond Dry Core Drill Bit Manufacturer:


 Length  Connection
 Diamond Dry
 Drill Bit
 51mm  100mm  5/8"-11

The above specifications are for reference,other specifications can be ordered by customers.

Diamond Dry Core Drill Bit Manufacturer


Diamond Dry Core Drill Bit Manufacturer are used on portable portable drilling machines and fixed drilling machines.

BOREWAY Diamond Core Drill Bits Company China, there are high-speed drills and low-speed drills. Diamond Dry Core Drill Bit Manufacturer is widely used in granite, marble, ceramics, and other processing drilling.

 About Us

Packing & Shipping:


Sample order ship by DHL, UPS, FedEx, TNT, EMS etc
For mass order delivery, can be optional with terms of Exwork, FOB, CNF, CIF by air or by sea based on the buyer’s forwarder or ours


1.How could we know the quality, if we want to order your products?
Please just test them with a very small order, then you will know the quality. At present,so many people in the world to use Chinese products, because of the high quality and most competitive prices. We are professional manufacturer in supplying diamond tools for more than 8 years. Anyway, confirming our products quality, a small trial order for testing will be necessary.

2.Can you offer free samples?
We don’t offer free samples, according to our many years experience, we think people get the samples by paying, they will cherish and appreciate more what they get. But we are willing to give our potential customers a special discount which they are used to do a testing. It is very important to give us feedback, we appreciate it.

3.Does your company accept custom-made?
Surely, we accept it. Including differentcolor, grit etc. We also can mark your ownlogo and brand on the pad. Any new productsyou want us to produce for you, just send us your drawing or sample, we will produce the same one. We will not sell this kind of products to other customers only if we get your permission.

Please note:

1. Please provide items before purchase.
2. Please provide the model number before purchase.
3. Other specifications can be customized according to requirements.

Contact us:
Multi-layer diamond v shape segment

 No.605 Huahui Center, Shuitou Town 362342 Quanzhou, Fujian, China

TEL: (+86)595-86990206 / Fax: (+86)595-86990220

Mobile/WhatsApp/Wechat: (+ 86) 18650679939 

Fujian Nan’an Boreway Machinery Co., Ltd.


Contact Person:Dora Zhang

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