We offer Vacuum Brazed Diamond Core Drill Bit. Vacuum brazed tooth-type core bit is used for drilling stones with super long working life and super high efficiency. This product is a patent product in China. Regular diameters are between 20mm and 100mm. The core bit includes shank and thread, which consists of male thread and female thread. M14 and M5/8 are female thread. Gas thread is male thread. Please feel free to contact us.

Zhuhai ujin diamond tools co.,ltd. is a professional manufacture of synthetic diamond and coated diamond, diamond tools in China. available size of synthetic diamond:30/35,35/40,60/70,70/80,80/100,100/120,120/140 140/170,170/200,200/230,230/270,etc. If you are interested in synthetic diamond, please contact us.

The abrasive metal and resin is combined by vacuum sinter and hot-process to produce diamond drills of different sizes featuring high drilling speeds a long service life and are used the drilling of glass, quartzs, stones, chinawares etc. You can contact us if you want to order this product.