Diamond Core Bits

Diamond core drilling bits for granite with HSS or without HSS

Diameter: OD16mm ~ OD127mm

Thread size: 3/8 or 1/2 shaft without thread

Segments type: Crown or Turbo type.

Diamond core drilling bits for stone or concrete or reinforced concrete, asphalt.

Diameter: OD25.4mm ~ OD152mm

Thread size: 1-1/4 UNC thread

Segments type: Normal, Turbo, Roof type.

Concrete drill core bits

High performance diamond core drill bits for fast drilling and long life.

Highly efficient to drill reinforced concrete and very hard concrete

Diameter: OD25.4mm ~ OD152mm

Thread size: 1-1/4 UNC thread

Segments type: Normal, Turbo, Roof type.

Diamond core drilling bits for granite with smooth shaft

Diameter: OD6.5mm ~ OD70mm

Thread size: 3/8 or 1/2 shaft without thread

Segments type: Crown or Turbo type.

We, Johnson Tools Manufactory Co., Ltd is professional manufacturer of diamond tools which used in stone and construction industries, such as marble, granite, sandstone, limestone, basalt, grit stone, concrete, reinforced concrete and asphalt, etc.)In China, we have eleven years successful exporting experience and 100 percent of our products are exported to worldwide (Euro, UK, Germany, Sweden, Italy, Spain, Portug, Czech, USA, South Africa, Ghana, Egypt, Australia, Yemen, Iran, PK, India, etc.).

Our main products:

1. Laser welded saw blade (Size from 105-1200mm, especially 700-1200mm laser wall saw blade and laser floor saw blade)

2. Sintered saw blade (Segment type, Continuous rim type, Turbo type, concave type saw blade).

3. Tuck point blade (Normal type, crack chasing type, two or three layers tuck point blade).

4. Diamond segments.

5. Diamond polishing and grinding products.

6. Cup wheel (Single row, Double row, Turbo type.)

7. Diamond core bits.

8. Electroplated diamond products.