Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- verb Simple past tense and past participle of
counterbore .
Etymologies
Sorry, no etymologies found.
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Examples
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Workpieces that shall be bolted to one another have to be clamped together and to be drilled and counterbored jointly, so that the alignment of the bore is maintained.
7. Technological process of cutting internal threads (tapping) Frank Wenghfer 1990
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The instructor has to stress again that the parts are drilled, counterbored and fixed in the vice while being clamped together.
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- A steel body with drilled and counterbored holes has to be clamped into the vice.
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(TB = 20.5 mm) diameter of counterbored/countersunk hole:
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- A drilled and counterbored steel part must be clamped in the vice.
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The workpieces, as far as possible, should be clamped in such way, that they can be drilled, counterbored/countersunk and reamed in succession without the clamping being loosened in between.
5. Technological process of reaming Frank Wenghfer 1990
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The mud drum to which the sections are attached at the lower end of the rear headers, is a forged-steel box 7¼ inches square, and of such length as to be connected to all headers by means of wrought nipples expanded into counterbored seats.
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The flanges on high pressure lines should be counterbored to receive pipe and prevent the threads from shouldering.
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To make the matter worse, quite a number of the wheels were found to have been counterbored about ½ in. deep at the back end, and the axle turned up to fit this counterbore; a good idea to prevent the running in, in case the wheel worked loose, but bad from the standpoint of a change of gauge.
Scientific American Supplement, No. 623, December 10, 1887 Various
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The upper side of the top block is counterbored to fit the end of the shaft.
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