Diamond Drill Core Bits for Granite Marble Ceramic Porcelain 6pcs/Box M14 Thread

SKU: A8536010K3T

Size: 6/6/20/25/35/50mm+20mm Finger Bit+Hex Adapter
Thread: M14(Europe)

Item: Vacuum brazed diamond core bits set with Box, professional quality 

Quantity: 8pcs products with box 


Drill Bit: Diameter 6mm, 6mm, 20mm, 25mm, 35mm, 50mm, Total length: 60mm,

             Connection: M14 Thread, Diamond height 10MM;

Finger Bit: Diameter 20mm, Workable length: 50mm, 

                 Connection: M14 Thread, Total Length: 65mm

Adapter: M14 male thread to hexagon shank adapter , total lengt 53MM, shank length 28MM

Box Size: 22x15x8CM


1. Drill Bit: Dry/wet drilling for porcelain tile, granite, marble, ceramic;

2. Finger Bit: Enlarge, shape and/or round bevel existing holes in Porcelain, Hard Ceramic, marble and granite

3. Aapter: M14 thread core bits can be fitted on hand drill or electric drill with hexagon shank adapter


1. Vacuum brazed technology provide high efficient working performance

2. Fast and Smooth drilling

3. Long lifetime 

4. Less Chipping 

5. Minimizing any breakage 

6. Less loss of material 

7. Less heat generation 

8. Better finish quality 

9. Adapter: Good quality steel, long life, and Surface Nickel plating

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Note: These products are marked with our brand. If you do not want our brand name, please leave us message, we could send you products without brand. 

Customize service: we could mark your brand name on our products


Standard Free Shipping:

US&CA 10-15 Days | MX 15-30 Days | AU&NZ 8-15 Days | Europe 5-15 Days

Expedited Shipping:

If you need DHL Express,
Contact us now: Whatsapp: 189 5255 1577 Email: support@shadiatool.com or online chat.


Q:What material can this drill bit work on?

A: SHDIATOOL drill bits usually are able to work for various materials, please check our product description and product image to see details.

Q: How can I know if this drill bit is suitable with my machine?

A: Please check your machine manual on the thickness and size of/where the arbor is, make sure these details is fine with this drill bit. Don’t worry if you have problem with the thread, SHDIATOOL has adapter solution for you too.

Q: How long can drill bit last?

A: Proper using and maintenance helps your SHDIATOOL drill bits work longer, make sure it under MAX RPM and nice temperature while working.

Still have questions? Contact us now: 189 5255 1577 support@shadiatool.com or online chat.

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