twist drill
Americannoun
noun
Etymology
Origin of twist drill
First recorded in 1870–75
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.
The tools of industry expanded to include such useful items as the twist drill and ratchet wrench.
From Slate ● May 29, 2014
It is found that 120 to 130 such holes can be drilled before it is advisable to resharpen the twist drill.
From Modern Machine-Shop Practice, Volumes I and II by Joshua Rose
The simplest form of twist drill used is shown at Fig.
From Aviation Engines Design?Construction?Operation and Repair by Victor Wilfred Pag?
The speed of the drill must be as slow again as for the ordinary flat drill, and not more than one-third as fast as the twist drill.
From Modern Machine-Shop Practice, Volumes I and II by Joshua Rose
One must avoid distorting the orifice, which should be perfectly circular; clean it out with a small twist drill of the proper size.
From Things To Make by Archibald Williams
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