Diamond core drills are primarily rented by mechanical and utility contractors, plumbers and stone masons for drilling holes in walls, ceilings, floors and roads. They can be a small but important ...

Hilti North America's semi-autonomous core drilling solution, the DD 250-CA diamond core drill, paired with the Cut Assist Auto Feed unit gives the operator an assisted experience by intuitively ...

AT the Paris Exhibition of 1867 much interest was aroused by Leschot's invention for cutting through hard rock by diamonds in rapid rotation. Originally intended for use on a small scale, this method ...

The proposed drilling program comprises 15,000 m (49,213 ft) of drilling using RC and diamond core drilling methods. Approximately 10,000 m of RC drilling and 5,000 m of diamond drilling are planned.