outside single-point thread tool
英 [ˌaʊtˈsaɪd ˈsɪŋɡl pɔɪnt θred tuːl] 
美 [ˌaʊtˈsaɪd ˈsɪŋɡl pɔɪnt θred tuːl]
美 [ˌaʊtˈsaɪd ˈsɪŋɡl pɔɪnt θred tuːl]
单刃外螺纹刀具