Performance Drill

Performance drill crossword clue, 9 letters. A quick crossword from Australia Daily Telegraph on 28 Sep 2017.

The answer: REHEARSAL

Performance drill crossword clue in sentence

In hole making operations, cost reduction through productivity gains is the chief benefit of these important trends. As a result, drill design has evolved toward new base tool materials, new geometries, tighter tolerances and new generation coatings. These emerging designs may be characterized as “high performance drills.” The designs of high performance drill have evolved over the years. Studying today’s drill designs and comparing them to earlier generations of drills is revealing. It is obvious that many design features of a twist drill have not changed substantially and are still found on almost all designs.