Vacuum Brazed Diamond Dry Core Drill Bit, Diamond Core Drill Bits for Granite, Marble, Concrete, Asphalt, Stone Drilling Tools

Vacuum Brazed Diamond Dry Core Drill Bit, Diamond Core Drill Bits for Granite, Marble, Concrete, Asphalt, Stone Drilling Tools
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  • Product Detail

  • Supplier Profile

Supply Ability:5000 PCS/Month


Min. Order: 10 (Pieces)

Packaging Detail: Box/Carton/Plywood Case

Delivery Detail: 7 Days After Payment

Shipment Terms: FOB,CIF,Others

Payment Terms: T/T,L/C,Western Union,Other,PayPal,Money Gram


Quick Details

  • Place of Origin: Fujian, China (Mainland)

  • Brand Name: JDK

  • Model Number: JDK-C025

  • Type: Core Drill Bit

  • Material: Diamond

  • Use: Masonry Drilling

  • Diameter: 32-38mm

  • Connection: M14,5/8"-11

  • MOQ: 10 PCS

  • Usage: Drilling Holes In varius Stones

  • Delivery Date: 5 Days

  • Machines: Core drill machine and hand drill grinders

  • Feature: Vacuum Brazed Protecting Body

  • Key Worlds: Diamond Core Drill Bits

  • Market: Eu,USA,Ca, etc

  • Packing: Carto

Product Introduction

For Granite or kinds of construction materials. 

Suitable for stand drilling machines or Electrical hand-held drillers or CNC machines. 

High drilling efficiency, long working life, easy operation, low cost. 

Wet or dry use, this type drill bit is specially designed for dry use.


1.High effciency, long life and no breaking of segments 

2.Sizes of adaptor for threaded bit:M14,M16, G1/2",5/8"-11. 

3. Applicable for drilling small holes on kinds of stone such granite, marble, sandstone, limestone, slate, etc.

4. Stable function and performance when cutting the stone,metal,concerte,wall.
5. We have registered our own brand. Therefore we ensure the quality about the Diamond Drill Bits for Stone we produce.
6. We provide the superior and professional sale service. 
7. We can also manufacture Diamond Drill Bits for Stone according to customers' needs. 

8.Suitable for stone drilling Machine, Manual Handling drilling Machine. 


Code No.DiameterUsePipe LengthWelding MethodAdaptor
JDK-LCD29mm (1-1/8")Wet or Dry

 3"- 4"


Diamond Vacuum Brazed

5/8" -11     M14
1/2 Gas

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 specification & photos is only for Reference, other specification or design can be ordered by customers.


The inner packaging is carton box . The outer packaging is carton box or plywood case.

(If by air ,carton box will reduce the weight, if by sea, we suggest wooden box for waterproof.)


1. Trail order with light weight(<45kgs), we recommend Express Service.

2. Normal order weighting over 45kgs, we recommend Air Cargo.

3.As for the large size or heavy weight, we recommend Sea Cargo.



Our Services

1. Profesion:Providing various of diamond tools for stone quarrying,profiling,cutting and polishing etc.

2. Customized Design: We can design products according to your need.

3. OMD/OME service.

4. Logo printing is available.

5 .MOQ:Any quantity you need is welcomed.

Quanzhou JDK Diamond Tools Co.,Ltd.

China-Fujian-Quanzhou Image1

Business Type: 8,Tools,Abrasives

Establishment Date:Jun 28,1995

No. of Total Employees:51 ~ 200

Main Products:Diamond Segment, Diamond Saw Blade, Diamond Wire Saw, Diamond Fickert, Floor Polishing Pad, Flexible Polishing Pad

Contact Person:Jason Zhu




Addr:#11 Jinxi 6th Rd Binjiang Industrail Area Xiamen Nan'an

Website:Supplier Website

Business License ISO9001 SGS Verification

JDK Locates in a beautiful coastal city which is famous for stones and stone arts ,Quanzhou, China, with elegant surroundings, easy transportation and great facilities.JDK has been engaged in manufacturing and exporting worldwide quality diamond tools since 1995. With a professional R&D team of more than 10 people, JDK products include a series of Cutting, Grinding, Profiling and Milling tools for Processing hard and fragile materials, such as Natural Stone, Ceramic Tile, Concrete etc. Main products are Diamond Blades, Diamond Segments, Diamond Wire Saws, Diamond Fickert ,Frankurt, Diamond Router Bit, Diamond Cup Wheels, Diamond Polishing Pads as well as PCD Tools. In addition, customerized products are always welcomed. JDK Build a scrupulous and diligent study of the quality assurance team, not only ensuring the quality of raw materials and finished products, as well as strict monitoring process to ensure product quality at all times under the management of the company strictly. The development of advanced test equipment for R & D team plays a role as powerful hose in constantly developing new products and maintain technological leadership.


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The request includes:
1) surface finished, size
2) quantity required
3) inquire about FOB price
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