Years of heated public debate had oil companies squaring off with environmentalists over drilling rights on 3.6 million acres ...

Masonry drill bits have different head types for ... as they efficiently travel through masonry, concrete, and rock. Pointed tips ensure accuracy and precision when starting your hole, and ...

The chuck does not need to be tightened. Drilling through rock, concrete, concrete block, brick, and mortar requires a tough bit. Or rather, a tough bit with an even tougher tip, preferably a ...

Masonry drill bits have different head types for ... as they efficiently travel through masonry, concrete, and rock. Pointed tips ensure accuracy and precision when starting your hole, and ...

Repairing the myriad collapsed sections of Interstate 40 will require up to 3 million cubic yards of rock — more than 100,000 dump truck loads. Hauling all that rock for 30 miles from the closest rock ...

(KSEE/KGPE) – A concrete company has plans to ... are related only to surface mining, not deep rock mining. The Trust also claims that the drilling could divert or obstruct the natural flow ...

"This is the ComicCon for the concrete guys. It's like their grown-up toy store." There are demonstrations to watch, drills of all sorts to play with and a concrete throne to sit on. People make ...

or pure drill—which are all strong enough to break through tough concrete. It features dual handles and a depth rod for ultimate control and precision drilling, even through the toughest of ...

of broken rock, concrete and twisted metal. The first workers were removed following a series of agonizing setbacks, during which rescue efforts were halted when the heavy machinery used to drill ...

a drill bit larger than what is used to get to the final depth clears out dirt, rock, and other debris and creates a hole in the surface. The hole is lined with concrete, forming a barrier to ...