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Diamond Core Drill Bits


Diamond Core Drill Bit is a cylinder used for plunge cutting out materials. It is composed up of a heattreated steel core and at its top consists of a powder metal. diamond dusts mesh in its segments. This allows the core bit to drill clean and fast while extracting the material.

Common uses for core bits would be small projects such as drilling out sink holes for faucets, to large scale projects like drilling holes in concrete for fence posts.


Our Diamond Core Drill Bits are highest Ratio of Performance to Price! Made in China.


The following are the normal Specifications we are selling:



Segment Width (mm)

Segment Height(mm)

Length (mm)












SPACER Diamond Core Drill Bits Type:


SPACERDifferent Use


Diamond Core Drill Bit

Diamond Drill Bit


Code No.: CD-DDB-01


Type: Wet or Dry Use Drill Bits


Diameter: 6mm (1/4”) - 127mm (5”)


Segment Width: 3.0-4.0mm

Segment height: 8 or 10mm


Core Bits Length: 4"


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Code No.: CD-DDB-01-03


Type: Dry Use Drill Bits

Diameter: 25mm (1”) - 50/51mm (2”)


Segment Width: 3.0mm

Segment height: 8mm


Core Bits Length: 4", 12", 14", 16"


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SPACER Kindly Noted:




When place order for Diamond Core Drilling Bits please inform:

Code No. of Diamond Core Drill Bits
Diameter (Inch or mm)

Drill Bit Length
Segment Height & Width
Material Polishing: For Granite, or marble, or other material?
Order Quantity & Expected Shipping Date
Special Requirements (If)


China Diamant Tools Co., Limited

Address: No.622, Building 13, YinJinXinCun, Jinhuai Street, Quanzhou City, Fujian Province, China 362000

Tel: +86-595-22595473, Fax: +86-595-22595478, Mobile: +86-13959890092


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