Diamond Core Drill Bits for Drill Hole on Stone or Concrete or Reinforced Concrete, etc.

Diamond drill bits with excellent diamond segment, especially use on drilling marble, granite, engineered stone, ceramic, tile, concrete block wall, masonry and brick, green concrete, cured concrete, reinforced concrete, asphalt, brick and block, etc.

These series products include:

1. Diamond core bits for stone industry.

2. Diamond core bits for construction industry.

3. Diamond core bits for ceramic, tile industry.

Brazed technology: Sintered, Silver brazed, Laser welded.

Outer diameter we can do: 6.5mm to 350mm.

Segment height: 8mm, 10mm, 12mm, 15mm.

Thread: 1/2" shaft, 3/8" shaft, M14, 5/8"-11, UNC1-1/4"

Other sizes could be made upon request.

Excellence Performance, Your best Choice!

core bit for stone.pdf core bit for construction.pdf core bit for stone-thread.pdf

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.