25mm Diamond Core Bit Laser Welded for Hard Stone Concrete Marble USA Warehouse

SKU: A6880425
$31 $33

Thread: 5/8-11(USA)
Size: 1 Inch(25mm)
Set: 1pc


Diameter: 25MM ;Total length: 100MM,  Thread: 5/8-11;Grit#25/35;Diamond height 10mm

(Make sure it can be installed on your machine,popular in North America)  

Application and Notice

Which Material or Condition?
  1. Drilling hard granite, marble, engineering stone, concrete, brick,masonry and all similar materials
  2. Ideal for drilling the faucet mounting holes in stone countertops, plumbing lines in showers and vanities
  3. Dry or Wet Drilling - use wet will greatly prolong the segment life


Which Machine?
  1. With 5/8-Inch-11 Thread; Easily operate on Angle Grinder
  2. If you fit them on drill or other machine, you need an adapter, such as SDS, hex, Round plus shank...
  1. Do not use this bit in hammer or Impact mode
  2. Do not give too much pressure or sway the core bits when working
  3. If find hard to drill, take a break and check the segments.
  4. If the segment become blunt, please try to sharp it by drilling a hole on the abrasive concrete and then continue to drill the hard material.


SUPREME Grade and Special bond matrix extends drilling life and improve the working efficiency

Laser welded technology avoid segments off when dry working 

Turbo segments provide aggressive drilling speed (32mm & above)

Ideal for drilling the faucet mounting holes in stone countertops, plumbing lines in showers and vanities

Vacuum brazed side protection offers clean cut & steel core protection (inside and outside both, 20MM & above )

Dry or Wet Drilling - use wet will greatly prolong the segment life  

How to Use Laser Welded Core Drill Bits(Graphic)


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: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.

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

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