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单词 pilot hole
释义

pilot hole


pilot hole

- A small hole drilled or hammered for the insertion of a nail or screw, or for drilling a larger hole.See also related terms for insertion.

pilot hole


pilot hole

[′pī·lət ‚hōl] (design engineering) In metal-forming operations, a prepunched hole in a metal strip into which the pilot component of the die enters in order to assure precise registration of the strip at each work station. (engineering) A small hole drilled ahead of a larger borehole. (mechanical engineering) A hole drilled in a piece of wood to serve as a guide for a nail or a screw or for drilling a larger hole.

pilot hole

A hole which serves as a guide for a nail or screw, or for drilling a larger-size hole.
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更新时间:2025/3/1 10:56:24