counterbore – מילון אנגלי-עברי
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Counterbore
A
counterbore (symbol:
⌴) is a cylindrical flat-bottomed hole that enlarges another coaxial hole, or the tool used to create that feature. A counterbore hole is typically used when a fastener, such as a
socket head cap screw, is required to sit flush with or below the level of a workpiece's surface.
counterbore
Noun
1. a bit for enlarging the upper part of a hole
(synonym) countersink, countersink bit
(hypernym) bit
Counterbore
(v. t.)
To form a counterbore in, by boring, turning, or drilling; to enlarge, as a hole, by means of a counterbore.
(n.)
A kind of pin drill with the cutting edge or edges normal to the axis; -- used for enlarging a hole, or for forming a flat-bottomed recess at its mouth.
(n.)
A flat-bottomed cylindrical enlargement of the mouth of a hole, usually of slight depth, as for receiving a cylindrical screw head.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
counterbore
Eng: counterbore
Urdu: اتنا لمبا اسطوائی سوراخ کرنا کہ اس میں پیچ کا سرا سما جاۓ ۔ کسی چیز میں پیچ ٹھونکنے کے لیے سوراخ کرنا ۔ گھر کرنا ۔
