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DETAILS Item: Vaccum Brazed Diamond Drilling Bits Dry Quick-Change for Granite Marble
Quantity: 1pc or 2pcs
Specification:
Diameter 20/25mm, Diamond length 10mm, Total length 65mm;
Drilling Depth: 30mm, Grit #40/45, Quick-fit Shank,
Application:
For drilling granite,marble,masonry,concrete,tile,ceramic, hard plastic.....
Feature:
1. High quality Diamond Grain #40/45,high efficiency, fast and smooth drilling.
2. "U" shaped groove design helps to remove debris and improve drilling efficiency.
3. Vacuum Brazed technology provide much longer working life.
4. Universal quick connect shank for compatibility with a wide range of machines.
MANUELS 
SHIPPING 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.
FAQ 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：What difference between red and gold and blue?
A: SHDIATOOL drill bits have different colors drill bits, but they are same quality.
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.