Diamond core drills for wet drilling of granite, marble and other hard stones. Core drills are used for portable electrical drills and bench drilling machines. Our drills have long life span and high efficiency. To achieve best results always use core drill with continuous flow of water. Drilling should be carried out in water. 
Drilling depth 50 mm. 
M14 connector. 
Avalable as a set of 3 PCS.
Please select size from the menu.