this diamond drill bit is intended for drilling holes into sockets or power boxes using a drill bit (without a hammer) or an angle grinder, but care must be taken to use machines with a power of not less than 800W. 
Quick drilling in. Turbo segments effectively reduce friction and reduce absorption from the drill area. 
High lifetime (about 100 holes in concrete) . 
The drill bit is available in 3 diameters: 68mm (2.7"), 72mm (2.80") and 82mm (3.2") and can be purchased with M16 or SDS + or without any adapters. 
This drill is of the PRO series 
 
Specifications 
 
Manufacturer Country: Germany 
production Country: Ukraine 
 
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