A tool used for cutting a thread on the inner surface of a socket, nut, etc., typically consisting of a hardened steel spindle having a series of…
| 单词 | θ212352 |
| 释义 | society > occupation and work > equipment > machine tool > other specific machine tools > [noun] > machine for cutting screw-threads > taps (7) screw tap1678 A tool used for cutting a thread on the inner surface of a socket, nut, etc., typically consisting of a hardened steel spindle having a series of… tap1678 Mechanics. A tool used for cutting the thread of an internal screw, consisting of a male screw of hardened steel, grooved lengthways to form… plug tap1815 a tap (tap, n.1 4) with a flat end and an untapered shank, used for finishing the cutting of an internal thread in a blind hole (also called bottomin… tap-tool1874 = sense 4. bottoming tap1875 a tap (tap, n.1 4) which has little or no taper, used for cutting an internal thread uniformly to the bottom of a hole. taper tapa1877 a tap (tap, n.1 4) tapered lengthways for about two thirds of its length, used to begin the process of cutting a screw thread in a hole. second tap1888 (see quot. 1888). |
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