52mm fast drilling wet diamond core drills for reinforced concrete

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".

Specifications: