Home›Browse›knuckle thread🌐EnglishEnglishDeutschFrançaisSvenskaРусский中文EntityQ17143839· pop 6· linked from 3 articlesknuckle threadSign in to saveAlso known as round threadsscrew thread profile with a rounded cross-sectionAvailable in 5 languagesFrançaisРусскийNorwegianSvenskavia Wikidata sitelinks · CC0