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Contact us: Fujian Nanan Boreway Machinery Co.,Ltd.,ADD: HuaHui Center, Shuitou Town,Quanzhou, Fujian, China,                 ...
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Vacuum brazed diamond core drill bitVacuum brazed diamond core drill bitVacuum brazed diamond core drill bitVacuum brazed diamond core drill bitVacuum brazed diamond core drill bit

Vacuum brazed diamond core drill bit

  • Model Number: BW-VBDCDB-002
  • Type: Wet Use
  • Diameter: 6.3mm to 127mm
  • Usable Length: 30mm 50mm 60mm
  • Segment Height: 8mm to 10mm
  • Applications: Boreway vacuum brazed diamond core drill bit is wet use for drilling granite marble artificial stone and quartz etc.
  • Machine: Hand-held machine and other drilling machine.
  • Industry: Diamond drilling tools
  • Welding method: vacuum brazed
  • Advantage: Good sharpness and Long lifespan.


Vacuum brazed diamond core drill bits are suitable for stand drilling machine,electrical hand-held drillers or CNC machines for dry drilling granite and other construction materials. The vacuum brazed processing method proves the advantages as low cost,high efficiency and long lifespan.



1.Excellent cutting speed with a long lifespan compared to electroplated ones.

2.Ideal of marble and limestone drilling,can perform on granite,tiles,porcelain,concrete and other construction materials.

3.Could be used wet or dry with cooling slots design for easier core removal than stuck.

4.Could be used on most of the stand machines,electrical drillers or CNC machines.



The followings are the normal specifications of our vacuum brazed diamond core drill bit:

Product Name


Usable Length

Segment Height







Drill Bit










1/2 Gas





Artificial Stone








29mm (1-1/8")

32mm (1-1/4”)

35mm (1-3/8”)

38mm (1-1/2”)

42mm (1-5/8")

45mm (1-3/4”)

50/51mm (2”)

57mm (2-1/4”)

60mm (2-3/8”)

63mm (2-1/2”)

70mm (2-3/4”)

76mm (3”)

80mm (3-1/8”

89mm (3-1/2”)

102mm (4”)

110mm (4-3/8”)

127mm (5”)

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

Quality:Normal,Good quality,Premium.

Fujian Nan’an Boreway Machinery Co., Ltd.


Contact Person:boreway-05

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