What is the purpose of a star drill?

Prepare for the MTA Transit Electrical Helper Exam with flashcards and multiple-choice questions. Hints and explanations accompany each question. Get ready for your exam!

The primary purpose of a star drill is to effectively create holes in stone and concrete. This tool is designed with a unique star-shaped point that allows it to penetrate hard materials. The sharp edges facilitate the drilling process by breaking apart the stone or concrete, providing a means to establish openings for various applications, such as anchoring or installing fixtures.

While there are tools available for making precise cuts, drilling into metal, or creating holes in wood, these tasks typically require different types of drills and bits, specifically designed for those materials. The star drill is uniquely suited for the demanding conditions posed by hard substrates like stone and concrete, making it an essential tool in construction and masonry work.

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