boring bar
noun
Metalworking. a bar holding a tool for boring a cylinder or the like.
Origin of boring bar
1First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use boring bar in a sentence
The boring bar is counterbalanced by a weight within the frame.
Modern Machine-Shop Practice, Volumes I and II | Joshua RoseAt the same time, the bore is finished by a cutter in boring-bar D (Fig. 4).
Turning and Boring | Franklin D. JonesThis head is also driven by a key which engages a keyway in the boring-bar.
Turning and Boring | Franklin D. JonesNext, the boring-bar m1 is brought into position, the drill support being swung back out of the way.
Turning and Boring | Franklin D. JonesIn the first operation, boring-bar m is brought in line with the spindle and is entered in bushing r in the chuck.
Turning and Boring | Franklin D. Jones
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