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Contact us: Fujian Nanan Boreway Machinery Co.,Ltd.,ADD: HuaHui Center, Shuitou Town,Quanzhou, Fujian, China,                 ...
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Rotary Bush Hammer roller head block plate for manufacturer,It can polish rough, medium fine surface, fine surface effect and excellent anti-skid effect.

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Manufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core BitsManufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core BitsManufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core BitsManufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core BitsManufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core BitsManufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core Bits

Manufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core Bits

  • Type: Dry Use
  • Diameter: 20mm To 127mm
  • Model Number: BW-DDB-S07
  • Pipe Length: 100mm Or 85mm
  • Segment Height: 8mm To 10mm
  • Technology: Sintering+ Welding
  • Industry: Diamond Drilling Tools
  • Advantage: Good Sharpness And Long Lifespan.
  • Machine: Hand-Held Drill And Other Drilling Machine.
  • Applications: Boreway Brazed Tooth Dry Diamond Drilling Bit Is Dry Use For Drilling Granite Marble Artificial Stone And Quartz Etc.
Product Description: 

Welding Type: Silver Welding

Applications: Kinds of granite or hard stone.

Machinery: Suitable for stand drilling machines or Electrical hand-held drillers or CNC machines.Wet or dry use, this type drill bit is specially designed for dry use.

Brazed Tooth Dry Diamond Drilling Bits Supplier
are suitable for stand drilling machine,electrical hand-held drillers to dry drilling granite and other construction materials.

The vacuum brazed processing
method proves the advantages as high efficiency and long lifespan.

Diamond Core Drill Bits with Turbo segments and pipe diamond vacuum brazed for dry drilling granite or hard stone, common uses would be small projects such as drilling out sink holes for faucets or small holes on slabs.
Manufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core Bits 01


1.Excellent cutting speed with a long lifespan.

2.Ideal design of protective tooth can offer high efficiency dry drilling.

Product Specification: 

The followings are the normal specifications of our Vacuum Brazed Diamond Dry Core Bits:

Code No. Diameter  Segment Size   Use  Pipe Length  Welding Method  Adaptor 
  BW-DDB-S07                     20mm (3/4") 17/12x3x10  Dry  100mm
Silver Welding
Laser Welding
22mm(7/8")  17/12x3x10 
25mm (1")  17/12x3x10 
29mm(11/8")  17/12x3x10 
32mm(11/4")  16x3x10 
35mm(1-1/4")  16x3x10 
38mm(1-3/8")  16x3x10 
42mm(1-1/2")  16x3x10 
45mm(1-5/8")  16x3x10 
50/51mm(2") 16x3x10
57mm(2-1/4")  22x3.5x10 
60mm(2-3/8")  22x3.5x10 
63mm(2-1/2")  22x3.5x10 
70mm(2-3/4")  22x3.5x10 
76mm(3")  22x3.5x10 
80mm(3-1/8") 22x3.5x10 
89mm(3-1/2") 22x3.5x10 
102mm(4")  22x3.5x10 
110mm(4-3/8")  22x3.5x10
127mm(5")  24x4x10 

The above specifications are for reference, other Diamond Dry Core Drill Bit Manufacturer specifications can be ordered by customers.

Product show 

Manufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core Bits

Manufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core BitsManufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core Bits
Manufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core BitsManufacturer of 20MM-128MM Vacuum Brazed Diamond Dry Core Bits

Factory Show  


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.

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

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

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

Mobile/WhatsApp/Wechat: (+ 86) 18650679939 

E-mail: boreway@boreway.com

Lyon Chang
Fujian Nan’an Boreway Machinery Co., Ltd.


Contact Person:boreway-05

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