| 释义 |
expansion bolt
expansion boltn. A bolt having an attachment that expands as the bolt is turned after being driven into a material.expansion bolt n (Mechanical Engineering) a bolt that expands on tightening, enabling it to be secured into an unthreaded hole Thesaurus| Noun | 1. |  expansion bolt - a bolt that has an attachment that expands as the bolt is driven into a surfacebolt - a screw that screws into a nut to form a fastener |
Translationsexpansion bolt
expansion bolt[ik′span·shən ‚bōlt] (design engineering) A bolt having an end which, when embedded into masonry or concrete, expands under a pull on the bolt, thereby providing anchorage. expansion bolt  expansion bolts An anchoring device having an expandable socket that swells as a bolt is tightened into it; used in masonry walls for attaching timber, etc.expansion bolt
Words related to expansion boltnoun a bolt that has an attachment that expands as the bolt is driven into a surfaceRelated Words |