21 Teeth 300mm Diamond Core Drill Bits For Rebar Concrete

300mm 12 inch Diamond Core Drill Bits for Rebar Concrete with Long Life

Manufacturer technology: laser welded.
Application: wet drilling concrete, reinforced concrete, granite, masonry with superior efficiency.
Features:
* Very good sharpness achieve fast drilling, especially very fast when drilling with rebar meanwhile.
* Provide 20% higher drilling performance in the widest range of heavily reinforced concrete, particularly in difficult operating conditions.
* Drilling stable with small wobbling.
* 16" and 18" drilling depth standard
* Superior cutting speed and long life in a variety of applications.
* Laser welded up to 20".
* Sharp "roof top" segments and "flat top" segments standard on 2" to 20" diameter.

Specifications:

Our product including:
Laser welded diamond saw blades for general purpose, concrete, wall, asphalt, brick, Laser welded diamond core bit for wall, concrete and engineering construction.
Diamond saw blades for granite, marble, sandstone, concrete, Diamond hot-pressed (sintered) blades, Diamond electroplated blades, Ring saw, Wire saw, Tuck point blades, Diamond cup wheel and all size of segments for circular saw, core bits, gangsaw , wire saw and so on...

As a ISO9001: 2000 certified company, Wan bang has very strict quality control system, all products exported to the U. S. A., Germany, UK and many other countries, and enjoy very good reputations in the mainstream market.