Vacuum brazed core drill bit,vacuum brazed turbo segment drill bit,granite drill bit,diamond bit hole saw

Model: BW-DDB-S07-04
Type: Dry use
Specification： 1-1/2"
Applications: Dry use for granite,marble and many other stone for drilling holes.
Adaptation machines: Stand drilling machines or electrical hand-held drillers or CNC machine
Advantages: Good stable and long lifespan.

Introduction:

Vacuum brazed core drill bits with turbo segments and pipe diamond vacuum brazed are produced by silver welding.

It can be suitable for stand drilling machines or electrical hand-held drillers or CNC machine.Be dry used for

granite or hard stone, common uses would be small projects such as drilling out sink holes for faucets or small

holes on slabs.It can be dry or wet use,but this type drill bit is specifically designed for dry use.

Features:

1.Designed for drilling holes.

2.Provide faster drilling speed than normal drill bits.

3.Good stable and long lifespan.

Specification:

The following is the normal size of our vacuum brazed core drill bit:

Code No.	Diameter	Segment Size	Use	Pipe Length	Welding Method	Adaptor
CD-DDB-S07	29mm (1-1/8")	16x2.5x10	Wet or Dry	4" (100mm)	Silver Welding or Laser Welding	5/8"-11 M14 1/2 Gas
	32mm (1-1/4”)	16x3x10
	35mm (1-3/8”)	16x3x10
	38mm (1-1/2”)	16x3x10
	42mm (1-5/8")	16x3x10
	45mm (1-3/4”)	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 specification just a reference for customer.Other specification can be ordered by clients.

There are products we supply:

Tag: For Granite ,For Marble ,Metal Bond ,Dry Use ,Sliver Welding

Fujian Nan’an Boreway Machinery Co., Ltd.

Tel:008618650679939

Contact Person:boreway-02

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