Sentence examples for core drills from inspiring English sources

For enlarging cored, punched, or drilled holes, core drills are particularly suited.

This has been achieved by laser producing core drills from solid polycrystalline diamond, incorporating controlled cutting edges where the geometries are defined.

Although valuable efforts have been made for the analysis of drilling-induced delamination, little has been reported on the effect of pilot hole diameter on delamination for core drills.

From two intact core drills, four heterogenic limestone sections were collected from 4.50 to 26.40 m below surface (mbs) and divided into 12 sub-samples of 8 25 cm length, and one sandy aquifer section from 19.20 to 19.53 m depth divided into 7 sub-samples of 4 5 cm length.

Using a process which uses diamond core drills, they take long cylindrical samples of rock.

The diameter of the pre-drilled hole is set equal to the inner hole of core drill.

Rotary drilling is faster and comparatively less expensive than core drilling.

A second factor associated with a drilling program is the choice between core drilling and rotary drilling.

Diamond Core Drilling and Sawing in Riverdale Park, Md .(301-277-5100; diamondcore.com) takes on small jobs like yours.

In the industrial experiences, core drill shows better drilling quality than twist drill.

A special drilling machine was retrofitted to perform core drilling on damaged concrete under constant pressure.