6.2.1 Diamond drilling tool: Diamond core bit for stone

Diamond core bits are available for stone drilling, such as marble, granite, sandstone, limestone, etc. quick, smooth and accurate coring with professional results. Segment type can be done with crown or turbo type segment. Size from 6.5mm to 250mm.
Diameter: 6.5-250mm
Thread size, 3/8” or 1/2” shaft without thread
Delivery time: Around 30days

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 fourteen 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.

More information about our company, please visit our website: *