Precise 68mm Dry Diamond Drill Bit For Granite Stone blue color

Dry Vacuum Brazed Diamond Porcelain Stone Tiles Hole Saw Core Bit Drills

• We can do Customized logo lasering and size lasering by ourself.
• The Hex shaft makes these perfect for use in a battery drill driver.
• Can comfortably drill 45 or more holes in the hardest grade 5 porcelain.
• Allow the drill and the rotation to cut the hole.
• Never use the hammer action it will destroy the diamond tip.
• Use at around 1500-3000 rpm.

Description of application effect

1. Wax inside for cooling, Dry drilling without water
2. Very high efficiency, multi-purpose drilling
3. Vacuum Brazed technology and high quality diamond grains provide high efficient working and long time performance
4. Alternatively place the drill at a 45 degree angle. Drill until the drill bit starts to penetrate the material and then bring the drill up into the upright position and continue.
5.Ensure all the forms of percussion or hammer action are turned off.

Product Display:

Other Bit Sets:

Product Application:

Since 2000 year, Our company Johnson Tools Manufactory Co., Ltd started to manufacture and export diamond tools for Stone Working and Construction Industry for worldwide countries.

Since 2005 year, we established our own import and export company, named Johnson Import and Export Co., Ltd. We enjoy good reputation among customers with trustworthy product quality and creditable service. Provide good quality diamond tools on sawing, drilling, grinding, and polishing industry.

Johnson Tools Manufactory Co.,ltd

Established in 2000 year, our company Johnson Tools Manufactory Co.,Ltd started to manufacture and export diamond tools for stone and construction industry for worldwide countries. Since 2005 year, we established our own import and export company, named Johnson Import and Export Co.,Ltd. We enjoy good reputation among customers with trustworthy product quality and creditable service. Provide good quality diamond tools on sawing, grinding, polishing and drilling industry.

Our Technology:

We are processing advanced production equipment, modern checking system, strict management and a strong technical force with the combination of many skilled workers and technical engineers. To provide our customers with satisfactory diamond cutting tools. And our laser saw blade has passed the testing of Germany Hannover, get MPA Certificate Z-14598/18.

      Advantage products:

      Laser welded saw blade. Sintered saw blade. Electroplated diamond tools. Diamond Grinding Wheel.  

      Diamond Polishing pad. Diamond segments. Vacuum Brazed Diamond Tools.

     Cutting, Drilling, Grinding and Polishing materials.

Marble, Granite, Sandstone, Limestone, Grit stone, Basalt, Lava stone, Bluestone, Concrete, Cured concrete, (heavy) Reinforced concrete, Green concrete, Precast concrete, Pre-stressed concrete, asphalt, Brick or block, Fire birck, Refractory Brick, etc.

    Our aim: Provide the most suitable diamond tools and quickly service.

      Welcome to join us to be a Johnson Tools partner!

    Let's work together to make the business better and better.