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词汇 Barrel nut
分类 英语词汇 英语翻译词典
释义

Barrel nut

英语百科

Barrel nut

On some firearms the gun barrel is fastened to the receiver with a nut, referred to as a barrel nut.

A barrel nut (also known as steel cross dowel or dowel nut) is a specialized nut, and is commonly used in aerospace and ready-to-assemble furniture applications.

It is used to bolt thin sheet metal parts to larger, often billet or forged, parts. The barrel nut is a round slug, or formed sheet metal part with threads perpendicular to the length of the nut. The nut sits in a hole inside the forging and a standard bolt is threaded into the barrel nut from outside the sheet metal. They are preferred over a standard nut and bolt, because they do not require a flange to be machined or forged onto the receiving part, thus reducing weight.

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