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centre punch

British  

noun

  1. a small steel tool with a conical tip used to punch a small indentation at the location of the centre of a hole to be drilled

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He kept a toffee hammer and a centre punch in his car.

From The Guardian • Apr. 24, 2016

The centre punch must be held upright or it will move laterally while entering the metal.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

Figure 201 represents a centre punch, giving an example, in which the flat sides gradually run out upon a circle, the edges forming curves, as at A, B, etc.

From Mechanical Drawing Self-Taught by Rose, Joshua

The paper is then applied to the tube again, and poppet marks made with a centre punch opposite to or through the marks on the paper.

From Things To Make by Williams, Archibald

The point a of the centre punch shown in Fig.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

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